updated project site -- build no: 3 -- policy announcement docs

Signed-off-by: Eclipse Ditto Bot <ditto-bot@eclipse.org>
diff --git a/1.5/2017-11-10-welcome-to-ditto.html b/1.5/2017-11-10-welcome-to-ditto.html
index 1c4d39a..2007786 100644
--- a/1.5/2017-11-10-welcome-to-ditto.html
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@@ -264,7 +264,7 @@
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1770,7 +1788,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-concierge.html b/architecture-services-concierge.html
index 9c3ceb3..9cd0a2e 100644
--- a/architecture-services-concierge.html
+++ b/architecture-services-concierge.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1756,7 +1774,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-connectivity.html b/architecture-services-connectivity.html
index 8ebfff8..87bc896 100644
--- a/architecture-services-connectivity.html
+++ b/architecture-services-connectivity.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1770,7 +1788,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-gateway.html b/architecture-services-gateway.html
index a156ab1..2fa3c70 100644
--- a/architecture-services-gateway.html
+++ b/architecture-services-gateway.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1749,7 +1767,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-policies.html b/architecture-services-policies.html
index b719867..9f4ad83 100644
--- a/architecture-services-policies.html
+++ b/architecture-services-policies.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1749,7 +1767,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-things-search.html b/architecture-services-things-search.html
index 3ec2531..d3a636b 100644
--- a/architecture-services-things-search.html
+++ b/architecture-services-things-search.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1793,7 +1811,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/architecture-services-things.html b/architecture-services-things.html
index 4309b3e..915d2e3 100644
--- a/architecture-services-things.html
+++ b/architecture-services-things.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1749,7 +1767,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-acknowledgements.html b/basic-acknowledgements.html
index 85d05db..1ab0355 100644
--- a/basic-acknowledgements.html
+++ b/basic-acknowledgements.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2386,7 +2404,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-acl.html b/basic-acl.html
index ffceb26..e14cd00 100644
--- a/basic-acl.html
+++ b/basic-acl.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1787,7 +1805,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-apis.html b/basic-apis.html
index 249585b..c6cc04e 100644
--- a/basic-apis.html
+++ b/basic-apis.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1845,7 +1863,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-auth.html b/basic-auth.html
index b828937..1940365 100644
--- a/basic-auth.html
+++ b/basic-auth.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1802,7 +1820,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-changenotifications.html b/basic-changenotifications.html
index ed0c968..b0b2736 100644
--- a/basic-changenotifications.html
+++ b/basic-changenotifications.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1789,7 +1807,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-connections.html b/basic-connections.html
index dc49005..8c0732b 100644
--- a/basic-connections.html
+++ b/basic-connections.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1994,9 +2012,10 @@
 
 <p>Target messages can be of the following type:</p>
 <ul>
-  <li><a href="basic-messages.html">messages</a></li>
-  <li><a href="basic-signals-event.html">events</a></li>
-  <li><a href="protocol-twinlive.html">live commands/responses/events</a></li>
+  <li><a href="basic-messages.html">Thing messages</a></li>
+  <li><a href="basic-signals-event.html">Thing events</a></li>
+  <li><a href="protocol-twinlive.html">Thing live commands/responses/events</a></li>
+  <li><a href="protocol-specification-policies-announcement.html">Policy announcements</a></li>
 </ul>
 
 <p>Targets contain:</p>
@@ -2025,29 +2044,35 @@
   </thead>
   <tbody>
     <tr>
-      <td>Subscribe for <a href="basic-changenotifications.html">events/change notifications</a></td>
+      <td>Subscribe for <a href="basic-changenotifications.html">Thing events/change notifications</a></td>
       <td><code class="highlighter-rouge">_/_/things/twin/events</code></td>
       <td>✔</td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-messages.html">messages</a></td>
+      <td>Subscribe for <a href="basic-messages.html">Thing messages</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/messages</code></td>
       <td>✔</td>
       <td>❌</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live commands</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live commands</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/commands</code></td>
       <td>✔</td>
       <td>❌</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live events</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live events</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/events</code></td>
       <td>✔</td>
       <td>✔</td>
     </tr>
+    <tr>
+      <td>Subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a></td>
+      <td><code class="highlighter-rouge">_/_/policies/announcements</code></td>
+      <td>✔</td>
+      <td>❌</td>
+    </tr>
   </tbody>
 </table>
 
@@ -2083,25 +2108,30 @@
   </thead>
   <tbody>
     <tr>
-      <td>Subscribe for <a href="basic-changenotifications.html">events/change notifications</a></td>
+      <td>Subscribe for <a href="basic-changenotifications.html">Thing events/change notifications</a></td>
       <td><code class="highlighter-rouge">_/_/things/twin/events</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-messages.html">messages</a></td>
+      <td>Subscribe for <a href="basic-messages.html">Thing messages</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/messages</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live commands</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live commands</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/commands</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live events</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live events</a></td>
       <td><code class="highlighter-rouge">_/_/things/live/events</code></td>
       <td>✔</td>
     </tr>
+    <tr>
+      <td>Subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a></td>
+      <td><code class="highlighter-rouge">_/_/policies/announcements</code></td>
+      <td>❌</td>
+    </tr>
   </tbody>
 </table>
 
@@ -2307,7 +2337,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-enrichment.html b/basic-enrichment.html
index 52d0ed5..dd33dea 100644
--- a/basic-enrichment.html
+++ b/basic-enrichment.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
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+                      
+                      
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+                      
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+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-errors.html b/basic-errors.html
index 868de3b..0fb6ee0 100644
--- a/basic-errors.html
+++ b/basic-errors.html
@@ -260,7 +260,7 @@
               
               
               
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
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+                         Site last generated: Mar 5, 2021 <br />
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index 9157204..f08f2aa 100644
--- a/basic-feature.html
+++ b/basic-feature.html
@@ -260,7 +260,7 @@
               
               
               
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+                      
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+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
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+                      
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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index 80878f7..05b9b62 100644
--- a/basic-messages.html
+++ b/basic-messages.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
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+                      
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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index 918b412..e6ce370 100644
--- a/basic-metadata.html
+++ b/basic-metadata.html
@@ -260,7 +260,7 @@
               
               
               
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index 7ef20b5..7c46c28 100644
--- a/basic-namespaces-and-names.html
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@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
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+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
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                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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diff --git a/basic-overview.html b/basic-overview.html
index b1915c2..fc8973e 100644
--- a/basic-overview.html
+++ b/basic-overview.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
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+                      
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+                      
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+                      
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+                      
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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index 226c2a6..4fcd260 100644
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+++ b/basic-placeholders.html
@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
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@@ -1595,6 +1607,12 @@
                       
                       
                       
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+++ b/basic-policy.html
@@ -260,7 +260,7 @@
               
               
               
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+                      
+                      
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+                      
+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
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+                      
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+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
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+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
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+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1866,7 +1884,7 @@
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                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
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new file mode 100644
index 0000000..f2e7c1a
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+<meta name="keywords" content="signal,  announcement, signal">
+<title>  Announcement • Eclipse Ditto • a digital twin framework</title>
+
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+<link rel="stylesheet" type="text/css" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" crossorigin="anonymous">
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+<link rel="stylesheet" href="css/customstyles.css">
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+<link rel="stylesheet" href="css/theme-ditto.css">
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+
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+}
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+<link rel="alternate" type="application/rss+xml" title="Eclipse Ditto Blog" href="https://www.eclipse.org/ditto/feed.xml">
+
+<!-- Eclipse Foundation cookie consent: -->
+<link rel="stylesheet" type="text/css" href="//www.eclipse.org/eclipse.org-common/themes/solstice/public/stylesheets/vendor/cookieconsent/cookieconsent.min.css" />
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+<!-- Navigation -->
+<nav class="navbar navbar-inverse navbar-fixed-top">
+    <div class="container topnavlinks">
+        <div class="navbar-header">
+            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+                <span class="sr-only">Toggle navigation</span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+            </button>
+            <a class="navbar-ditto-home" href="index.html">&nbsp;<img src="images/ditto_allwhite_symbolonly.svg" class="ditto-navbar-symbol" alt="Home"> <img src="images/ditto_allwhite_textonly.svg" class="ditto-navbar-symbol-text" alt="Ditto"></a>
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+                        
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+                        <li><a href="https://www.eclipse.org/forums/index.php/f/364/" target="_blank">Forum</a></li>
+                        
+                        
+                        
+                        <li><a href="https://ci.eclipse.org/ditto/" target="_blank">Jenkins</a></li>
+                        
+                        
+                        
+                        <li><a href="https://dev.eclipse.org/mhonarc/lists/ditto-dev/" target="_blank">Mailing list archives</a></li>
+                        
+                        
+                        
+                        <li><a href="https://gitter.im/eclipse/ditto" target="_blank">Gitter.im chat</a></li>
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+                
+                <!--comment out this block if you want to hide search-->
+                <li>
+                    <!--start search-->
+                    <div id="search-demo-container">
+                        <input type="text" id="search-input" placeholder="search...">
+                        <ul id="results-container"></ul>
+                    </div>
+                    <script src="//cdnjs.cloudflare.com/ajax/libs/simple-jekyll-search/0.0.9/jekyll-search.js" type="text/javascript"></script>
+                    <script type="text/javascript">
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+                                noResultsText: 'No results found.',
+                                limit: 10,
+                                fuzzy: true,
+                    })
+                    </script>
+                    <!--end search-->
+                </li>
+            </ul>
+        </div>
+    </div>
+    <!-- /.container -->
+</nav>
+
+<!-- Page Content -->
+<div class="container">
+  <div id="main">
+    <!-- Content Row -->
+    <div class="row">
+        
+        
+            <!-- Sidebar Column -->
+            <div class="col-md-3" id="tg-sb-sidebar">
+                
+
+<ul id="mysidebar" class="nav">
+  <li class="sidebarTitle">
+    <label for="docVersion">Eclipse Ditto  version:</label>
+    <div class="select-wrapper">
+      <select id="docVersion" name="docVersion">
+        
+        <option value="">development</option>
+        
+        <option value="1.0">1.0</option>
+        
+        <option value="1.1">1.1</option>
+        
+        <option value="1.2">1.2</option>
+        
+        <option value="1.3">1.3</option>
+        
+        <option value="1.4">1.4</option>
+        
+        <option value="1.5">1.5</option>
+        
+      </select>
+    </div>
+    <div id="dev-warning">
+      <div markdown="span" class="alert alert-warning" role="alert" style="font-size:0.6em"><i class="fa fa-warning"></i> <b>Important:</b> This documentation reflects the latest 'development'. You might want to choose a released version.</div>
+    </div>
+  </li>
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Introduction</a>
+          <ul>
+              
+              
+              
+              <li><a href="intro-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="intro-digitaltwins.html">Digital twins</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="intro-hello-world.html">Hello world</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Release Notes</a>
+          <ul>
+              
+              
+              
+              <li><a href="release_notes_next.html">2.0.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_151.html">1.5.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_150.html">1.5.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_140.html">1.4.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_130.html">1.3.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_121.html">1.2.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_120.html">1.2.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_115.html">1.1.5</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_113.html">1.1.3</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_112.html">1.1.2</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_111.html">1.1.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_110.html">1.1.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_100.html">1.0.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_090.html">0.9.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_080.html">0.8.0</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Milestone releases</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="release_notes_100-M2.html">1.0.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_100-M1a.html">1.0.0-M1a</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_090-M2.html">0.9.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_090-M1.html">0.9.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M3.html">0.8.0-M3</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M2.html">0.8.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M1.html">0.8.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_030-M2.html">0.3.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_030-M1.html">0.3.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_020-M1.html">0.2.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_010-M3.html">0.1.0-M3</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_010-M1.html">0.1.0-M1</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Installation</a>
+          <ul>
+              
+              
+              
+              <li><a href="installation-building.html">Building Ditto</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="installation-running.html">Running Ditto</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="installation-operating.html">Operating Ditto</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Basic concepts</a>
+          <ul>
+              
+              
+              
+              <li><a href="basic-overview.html">Overview</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Model entities</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="basic-thing.html">Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-acl.html">Access Control List (ACL)</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-feature.html">Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-policy.html">Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-namespaces-and-names.html">Namespaces and Names</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-metadata.html">Thing Metadata</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-errors.html">Errors</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-auth.html">Authentication and Authorization</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-messages.html">Messages</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-signals.html">Signals</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Signal types</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="basic-signals-command.html">Command</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-commandresponse.html">Command response</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-errorresponse.html">Error response</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-event.html">Event</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li class="active"><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-apis.html">APIs</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-connections.html">Connections</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-placeholders.html">Placeholders</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-changenotifications.html">Change notifications</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-rql.html">RQL expressions</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-enrichment.html">Signal enrichment</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-search.html">Search</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-acknowledgements.html">Acknowledgements / QoS</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Advanced concepts</a>
+          <ul>
+              
+              
+              
+              <li><a href="advanced-data-by-pass.html">Data By-Pass</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Architecture</a>
+          <ul>
+              
+              
+              
+              <li><a href="architecture-overview.html">Overview</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Services</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="architecture-services-policies.html">Policies</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-things.html">Things</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-things-search.html">Things-Search</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-connectivity.html">Connectivity</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-concierge.html">Concierge</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-gateway.html">Gateway</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>HTTP API</a>
+          <ul>
+              
+              
+              
+              <li><a href="httpapi-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-concepts.html">Concepts</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-search.html">Search</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-messages.html">Messages</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-protocol-bindings-websocket.html">WebSocket protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-protocol-bindings-cloudevents.html">Cloud Events HTTP protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-sse.html">Server sent events</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Connectivity API</a>
+          <ul>
+              
+              
+              
+              <li><a href="connectivity-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-manage-connections.html">Manage connections</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-amqp091.html">AMQP 0.9.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-amqp10.html">AMQP 1.0 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-mqtt.html">MQTT 3.1.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-mqtt5.html">MQTT 5 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-http.html">HTTP 1.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-kafka2.html">Kafka 2.x protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-mapping.html">Payload mapping</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-header-mapping.html">Header mapping</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-tls-certificates.html">TLS certificates</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Client SDK</a>
+          <ul>
+              
+              
+              
+              <li><a href="client-sdk-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="client-sdk-java.html">Java</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="client-sdk-javascript.html">JavaScript</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Ditto Protocol</a>
+          <ul>
+              
+              
+              
+              <li><a href="protocol-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-twinlive.html">Twin/live channel</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification.html">Specification</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-topic.html">Protocol topic</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-things.html">Things group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-merge.html">Merge</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-acks.html">Acknowledgements</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-errors.html">Errors</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ search/messages</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-search.html">Search</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-messages.html">Messages</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-policies.html">Policies group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-bindings.html">Bindings</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples.html">Examples</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-creatething.html">Create a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletething.html">Delete a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifything.html">Modify a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievething.html">Retrieve a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethings.html">Retrieve multiple Things</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifypolicyid.html">Modify the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattributes.html">Create Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattributes.html">Delete Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattributes.html">Modify Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattributes.html">Retrieve Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattribute.html">Create a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattribute.html">Delete a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattribute.html">Modify a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattribute.html">Retrieve a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createthingdefinition.html">Create a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletethingdefinition.html">Delete a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifythingdefinition.html">Modify a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethingdefinition.html">Retrieve a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeatures.html">Create Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeatures.html">Delete Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeatures.html">Modify Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeatures.html">Retrieve Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeature.html">Create a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeature.html">Delete a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeature.html">Modify a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeature.html">Retrieve a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdefinition.html">Create Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedefinition.html">Delete Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydefinition.html">Modify Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedefinition.html">Retrieve Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperties.html">Create Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperties.html">Delete Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperties.html">Modify Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperties.html">Retrieve Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperty.html">Create a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperty.html">Delete a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperty.html">Modify a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperty.html">Retrieve a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperties.html">Create desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperties.html">Delete desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperties.html">Modify desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperties.html">Retrieve desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperty.html">Create a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperty.html">Delete a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperty.html">Modify a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperty.html">Retrieve a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things merge examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergething.html">Merge a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergepolicyid.html">Merge the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattributes.html">Merge Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattribute.html">Merge a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergethingdefinition.html">Merge a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeatures.html">Merge Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeature.html">Merge a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeaturedefinition.html">Merge Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperties.html">Merge Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperty.html">Merge a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperties.html">Merge desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperty.html">Merge a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Policies examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicy.html">Create a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicy.html">Delete a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicy.html">Modify a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicy.html">Retrieve a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentries.html">Modify entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentries.html">Retrieve entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicyentry.html">Create a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicyentry.html">Delete a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentry.html">Modify a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentry.html">Retrieve a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubjects.html">Modify subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubjects.html">Retrieve subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createsubject.html">Create a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletesubject.html">Delete a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubject.html">Modify a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubject.html">Retrieve a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresources.html">Modify resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresources.html">Retrieve resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createresource.html">Create a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deleteresource.html">Delete a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresource.html">Modify a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresource.html">Retrieve a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples-search.html">→ Search examples</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+    <li><a href="sandbox.html">Sandbox</a></li>
+    
+  
+  
+  
+    
+    <li><a href="presentations.html">Presentations</a></li>
+    
+  
+  
+  
+    
+    <li><a href="glossary.html">Glossary</a></li>
+    
+  
+  
+  
+    
+    <li><a href="feedback.html">Feedback</a></li>
+    
+  
+  
+  
+    
+         <p class="external">
+             <a href="#" id="collapseAll">Collapse All</a> | <a href="#" id="expandAll">Expand All</a>
+         </p>
+    
+</ul>
+
+<!-- this highlights the active parent class in the sidebar. this is critical so that the parent expands when you're viewing a page. This must appear below the sidebar code above. Otherwise, if placed inside customscripts.js, the script runs before the sidebar code runs and the class never gets inserted.-->
+<script>$("li.active").parents('li').toggleClass("active");
+</script>
+
+            </div>
+            
+        
+
+        <!-- Content Column -->
+        <div class="col-md-9" id="tg-sb-content">
+            <div class="post-header">
+   <h1 class="post-title-main">Announcement</h1>
+</div>
+
+
+
+<div class="post-content">
+
+   
+
+    
+    
+<!-- this handles the automatic toc. use ## for subheads to auto-generate the on-page minitoc. if you use html tags, you must supply an ID for the heading element in order for it to appear in the minitoc. -->
+<script>
+$( document ).ready(function() {
+  // Handler for .ready() called.
+
+$('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3,h4' });
+
+/* this offset helps account for the space taken up by the floating toolbar. */
+$('#toc').on('click', 'a', function() {
+  var target = $(this.getAttribute('href'))
+    , scroll_target = target.offset().top
+
+  $(window).scrollTop(scroll_target - 10);
+  return false
+})
+  
+});
+</script>
+
+<div id="toc"></div>
+
+    
+
+
+    
+
+
+    
+
+  <p>Announcements are special signals which are published in order to announce something before it actually happens.<br />
+For example, before an <a href="basic-signals-event.html">event</a> is created and published, an announcement could signal that
+the event will happen soon.</p>
+
+<p>Announcements have the following characteristics:</p>
+<ul>
+  <li>they are <strong>not</strong> persisted/appended into any data store</li>
+  <li>they are published to interested and authorized parties via the <a href="httpapi-protocol-bindings-websocket.html">WebSocket API</a> as
+well as <a href="basic-connections.html#targets">connection targets</a> via <a href="basic-changenotifications.html">change notifications</a>.</li>
+</ul>
+
+
+    <div class="tags">
+        
+        <b>Tags: </b>
+        
+        
+        
+        <a href="tag_signal.html" class="btn btn-default navbar-btn cursorNorm" role="button">signal</a>
+        
+        
+        
+    </div>
+
+</div>
+
+<hr class="shaded"/>
+
+<footer>
+            <div class="row">
+                <div class="col-lg-12 footer">
+                    <div class="logo">
+                        <a href="https://eclipse.org"><img src="images/eclipse_foundation_logo.svg" alt="Eclipse logo"/></a>
+                    </div>
+                    <p class="notice">
+                        &copy;2021 Eclipse Ditto.
+                         Site last generated: Mar 5, 2021 <br />
+                    </p>
+                    <div class="quickLinks">
+                        <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
+                            &gt; Privacy Policy
+                        </a>
+                        <a href="https://www.eclipse.org/legal/termsofuse.php" target="_blank">
+                            &gt; Terms of Use
+                        </a>
+                        <a href="https://www.eclipse.org/legal/copyright.php" target="_blank">
+                            &gt; Copyright Agent
+                        </a>
+                        <a href="https://www.eclipse.org/legal" target="_blank">
+                            &gt; Legal
+                        </a>
+                        <a href="https://www.eclipse.org/legal/epl-2.0/" target="_blank">
+                            &gt; License
+                        </a>
+                        <a href="https://eclipse.org/security" target="_blank">
+                            &gt; Report a Vulnerability
+                        </a>
+                    </div>
+                </div>
+            </div>
+</footer>
+
+
+        </div>
+    <!-- /.row -->
+</div>
+<!-- /.container -->
+</div>
+<!-- /#main -->
+    </div>
+
+</body>
+</html>
diff --git a/basic-signals-command.html b/basic-signals-command.html
index 7a5fc24..16e3123 100644
--- a/basic-signals-command.html
+++ b/basic-signals-command.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1748,7 +1766,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-signals-commandresponse.html b/basic-signals-commandresponse.html
index 64c9de1..16603dd 100644
--- a/basic-signals-commandresponse.html
+++ b/basic-signals-commandresponse.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1727,7 +1745,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-signals-errorresponse.html b/basic-signals-errorresponse.html
index 64f4e4d..186a7ee 100644
--- a/basic-signals-errorresponse.html
+++ b/basic-signals-errorresponse.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1731,7 +1749,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-signals-event.html b/basic-signals-event.html
index b6cf8f4..0da5fc7 100644
--- a/basic-signals-event.html
+++ b/basic-signals-event.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1705,7 +1723,8 @@
   <li>they are published in the Ditto cluster, so other Ditto back end services can react on them (e.g. in order to update
 the search index) and</li>
   <li>they are published to interested and authorized parties via the <a href="httpapi-protocol-bindings-websocket.html">WebSocket API</a> as
-well as via <a href="httpapi-sse.html">HTTP Server Sent Events</a> as <a href="basic-changenotifications.html">change notifications</a>.</li>
+well as via <a href="httpapi-sse.html">HTTP Server Sent Events</a> as well as <a href="basic-connections.html#targets">connection targets</a> 
+via <a href="basic-changenotifications.html">change notifications</a>.</li>
 </ul>
 
 
@@ -1733,7 +1752,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/basic-signals.html b/basic-signals.html
index 422d7f2..111857f 100644
--- a/basic-signals.html
+++ b/basic-signals.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1700,8 +1718,9 @@
 <ul>
   <li><a href="basic-signals-command.html">Commands</a>,</li>
   <li><a href="basic-signals-commandresponse.html">Command Responses</a>,</li>
-  <li><a href="basic-signals-errorresponse.html">Error Responses</a> and</li>
-  <li><a href="basic-signals-event.html">Events</a>.</li>
+  <li><a href="basic-signals-errorresponse.html">Error Responses</a>,</li>
+  <li><a href="basic-signals-event.html">Events</a> and</li>
+  <li><a href="basic-signals-announcement.html">Announcements</a>.</li>
 </ul>
 
 <p>Such common functionality is for example that all those have header fields in which they can be for example correlated
@@ -1748,7 +1767,8 @@
 Interested parties can subscribe for such <strong>events</strong> and follow the evolving entity.</li>
 </ol>
 
-<div class="alert alert-info" role="alert"><i class="fa fa-info-circle"></i> <b>Note:</b> Events caused by commands from a <strong><a href="basic-connections.html">connection</a></strong> are not published
+<div class="alert alert-info" role="alert"><i class="fa fa-info-circle"></i> <b>Note:</b> Events caused by commands from a <strong><a href="basic-connections.html">connection</a></strong> or a 
+            <a href="httpapi-protocol-bindings-websocket.html">websocket session</a> are not published
             <strong>to the same origin</strong>. The connection can receive a response, but will not additionally get an event.</div>
 
 
@@ -1777,7 +1797,7 @@
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--- a/connectivity-protocol-bindings-mqtt5.html
+++ b/connectivity-protocol-bindings-mqtt5.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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@@ -2067,7 +2085,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/connectivity-tls-certificates.html b/connectivity-tls-certificates.html
index bb97d05..629dbf4 100644
--- a/connectivity-tls-certificates.html
+++ b/connectivity-tls-certificates.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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@@ -1838,7 +1856,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/feed.xml b/feed.xml
index 2b1db61..e667a08 100644
--- a/feed.xml
+++ b/feed.xml
@@ -5,8 +5,8 @@
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         <link>https://www.eclipse.org/ditto/</link>
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-        <pubDate>Thu, 25 Feb 2021 14:07:58 +0000</pubDate>
-        <lastBuildDate>Thu, 25 Feb 2021 14:07:58 +0000</lastBuildDate>
+        <pubDate>Fri, 05 Mar 2021 11:41:03 +0000</pubDate>
+        <lastBuildDate>Fri, 05 Mar 2021 11:41:03 +0000</lastBuildDate>
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+    &lt;/span&gt;&lt;span class=&quot;s2&quot;&gt;&quot;content-type&quot;&lt;/span&gt;&lt;span class=&quot;p&quot;&gt;:&lt;/span&gt;&lt;span class=&quot;w&quot;&gt; &lt;/span&gt;&lt;span class=&quot;s2&quot;&gt;&quot;application/merge-patch+json&quot;&lt;/span&gt;&lt;span class=&quot;w&quot;&gt;
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+    &lt;/span&gt;&lt;span class=&quot;s2&quot;&gt;&quot;content-type&quot;&lt;/span&gt;&lt;span class=&quot;p&quot;&gt;:&lt;/span&gt;&lt;span class=&quot;w&quot;&gt; &lt;/span&gt;&lt;span class=&quot;s2&quot;&gt;&quot;application/merge-patch+json&quot;&lt;/span&gt;&lt;span class=&quot;w&quot;&gt;
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diff --git a/feedback.html b/feedback.html
index 2bf6195..a2c29ca 100644
--- a/feedback.html
+++ b/feedback.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1734,7 +1752,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/glossary.html b/glossary.html
index 16c1686..b3a28be 100644
--- a/glossary.html
+++ b/glossary.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1732,7 +1750,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/http-api-doc.html b/http-api-doc.html
index 1d07059..f51b154 100644
--- a/http-api-doc.html
+++ b/http-api-doc.html
@@ -201,7 +201,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-concepts.html b/httpapi-concepts.html
index 2b9d63a..f7a97d8 100644
--- a/httpapi-concepts.html
+++ b/httpapi-concepts.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2482,7 +2500,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-messages.html b/httpapi-messages.html
index 822d9cf..7c43cb8 100644
--- a/httpapi-messages.html
+++ b/httpapi-messages.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1818,7 +1836,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-overview.html b/httpapi-overview.html
index b8105e4..2f7f5e0 100644
--- a/httpapi-overview.html
+++ b/httpapi-overview.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1738,7 +1756,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-protocol-bindings-cloudevents.html b/httpapi-protocol-bindings-cloudevents.html
index c5382ff..2964ed4 100644
--- a/httpapi-protocol-bindings-cloudevents.html
+++ b/httpapi-protocol-bindings-cloudevents.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1825,7 +1843,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-protocol-bindings-websocket.html b/httpapi-protocol-bindings-websocket.html
index b2881a9..ab90c2f 100644
--- a/httpapi-protocol-bindings-websocket.html
+++ b/httpapi-protocol-bindings-websocket.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1839,6 +1857,15 @@
 
 <p>From then on the WebSocket session will receive all live events it is entitled to see.</p>
 
+<h3 id="request-policy-announcements">Request policy announcements</h3>
+
+<p>In order to subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a> which can be 
+published to a WebSocket session, the following text message has to be sent to the backend: 
+<code class="highlighter-rouge">START-SEND-POLICY-ANNOUNCEMENTS</code></p>
+
+<p>From then on the WebSocket session will receive all announcements related to policies related to the authenticated 
+subjects of the websocket session.</p>
+
 <h3 id="overview">Overview</h3>
 
 <p>The following table shows which WebSocket protocol message are supported:</p>
@@ -1858,45 +1885,55 @@
       <td><code class="highlighter-rouge">-</code></td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-changenotifications.html">events/change notifications</a></td>
+      <td>Subscribe for <a href="basic-changenotifications.html">Thing events/change notifications</a></td>
       <td><code class="highlighter-rouge">START-SEND-EVENTS</code></td>
       <td><code class="highlighter-rouge">START-SEND-EVENTS:ACK</code></td>
     </tr>
     <tr>
-      <td>Stop receiving change notifications</td>
+      <td>Stop receiving Thing change notifications</td>
       <td><code class="highlighter-rouge">STOP-SEND-EVENTS</code></td>
       <td><code class="highlighter-rouge">STOP-SEND-EVENTS:ACK</code></td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-messages.html">messages</a></td>
+      <td>Subscribe for <a href="basic-messages.html">Thing messages</a></td>
       <td><code class="highlighter-rouge">START-SEND-MESSAGES</code></td>
       <td><code class="highlighter-rouge">START-SEND-MESSAGES:ACK</code></td>
     </tr>
     <tr>
-      <td>Stop receiving messages</td>
+      <td>Stop receiving Thing messages</td>
       <td><code class="highlighter-rouge">STOP-SEND-MESSAGES</code></td>
       <td><code class="highlighter-rouge">STOP-SEND-MESSAGES:ACK</code></td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live commands</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live commands</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-COMMANDS</code></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-COMMANDS:ACK</code></td>
     </tr>
     <tr>
-      <td>Stop receiving live commands</td>
+      <td>Stop receiving Thing live commands</td>
       <td><code class="highlighter-rouge">STOP-SEND-LIVE-COMMANDS</code></td>
       <td><code class="highlighter-rouge">STOP-SEND-LIVE-COMMANDS:ACK</code></td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live events</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live events</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-EVENTS</code></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-EVENTS:ACK</code></td>
     </tr>
     <tr>
-      <td>Stop receiving live commands</td>
+      <td>Stop receiving Thing live commands</td>
       <td><code class="highlighter-rouge">STOP-SEND-LIVE-EVENTS</code></td>
       <td><code class="highlighter-rouge">STOP-SEND-LIVE-EVENTS:ACK</code></td>
     </tr>
+    <tr>
+      <td>Subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a></td>
+      <td><code class="highlighter-rouge">START-SEND-POLICY-ANNOUNCEMENTS</code></td>
+      <td><code class="highlighter-rouge">START-SEND-POLICY-ANNOUNCEMENTS:ACK</code></td>
+    </tr>
+    <tr>
+      <td>Stop receiving Policy announcements</td>
+      <td><code class="highlighter-rouge">STOP-SEND-POLICY-ANNOUNCEMENTS</code></td>
+      <td><code class="highlighter-rouge">STOP-SEND-POLICY-ANNOUNCEMENTS:ACK</code></td>
+    </tr>
   </tbody>
 </table>
 
@@ -1925,25 +1962,30 @@
   </thead>
   <tbody>
     <tr>
-      <td>Subscribe for <a href="basic-changenotifications.html">events/change notifications</a></td>
+      <td>Subscribe for <a href="basic-changenotifications.html">Thing events/change notifications</a></td>
       <td><code class="highlighter-rouge">START-SEND-EVENTS</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-messages.html">messages</a></td>
+      <td>Subscribe for <a href="basic-messages.html">Thing messages</a></td>
       <td><code class="highlighter-rouge">START-SEND-MESSAGES</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live commands</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live commands</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-COMMANDS</code></td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live events</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live events</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-EVENTS</code></td>
       <td>✔</td>
     </tr>
+    <tr>
+      <td>Subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a></td>
+      <td><code class="highlighter-rouge">START-SEND-POLICY-ANNOUNCEMENTS</code></td>
+      <td>❌</td>
+    </tr>
   </tbody>
 </table>
 
@@ -1968,29 +2010,35 @@
   </thead>
   <tbody>
     <tr>
-      <td>Subscribe for <a href="basic-changenotifications.html">events/change notifications</a></td>
+      <td>Subscribe for <a href="basic-changenotifications.html">Thing events/change notifications</a></td>
       <td><code class="highlighter-rouge">START-SEND-EVENTS</code></td>
       <td>✔</td>
       <td>✔</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="basic-messages.html">messages</a></td>
+      <td>Subscribe for <a href="basic-messages.html">Thing messages</a></td>
       <td><code class="highlighter-rouge">START-SEND-MESSAGES</code></td>
       <td>✔</td>
       <td>❌</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live commands</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live commands</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-COMMANDS</code></td>
       <td>✔</td>
       <td>❌</td>
     </tr>
     <tr>
-      <td>Subscribe for <a href="protocol-twinlive.html">live events</a></td>
+      <td>Subscribe for <a href="protocol-twinlive.html">Thing live events</a></td>
       <td><code class="highlighter-rouge">START-SEND-LIVE-EVENTS</code></td>
       <td>✔</td>
       <td>✔</td>
     </tr>
+    <tr>
+      <td>Subscribe for <a href="protocol-specification-policies-announcement.html">Policy announcements</a></td>
+      <td><code class="highlighter-rouge">START-SEND-POLICY-ANNOUNCEMENTS</code></td>
+      <td>✔</td>
+      <td>❌</td>
+    </tr>
   </tbody>
 </table>
 
@@ -2039,7 +2087,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-search.html b/httpapi-search.html
index d2dfb40..15bfeeb 100644
--- a/httpapi-search.html
+++ b/httpapi-search.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1785,7 +1803,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/httpapi-sse.html b/httpapi-sse.html
index d5b86a7..62087b5 100644
--- a/httpapi-sse.html
+++ b/httpapi-sse.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1972,7 +1990,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/index.html b/index.html
index 588ac79..5e8d4b2 100644
--- a/index.html
+++ b/index.html
@@ -265,7 +265,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/installation-building.html b/installation-building.html
index 9d7d33f..1853b51 100644
--- a/installation-building.html
+++ b/installation-building.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1757,7 +1775,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/installation-operating.html b/installation-operating.html
index 459fa32..a8f19da 100644
--- a/installation-operating.html
+++ b/installation-operating.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2652,7 +2670,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/installation-running.html b/installation-running.html
index deb0627..ed86715 100644
--- a/installation-running.html
+++ b/installation-running.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1782,7 +1800,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/intro-digitaltwins.html b/intro-digitaltwins.html
index 9ada77f..5d71b9f 100644
--- a/intro-digitaltwins.html
+++ b/intro-digitaltwins.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1760,7 +1778,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/intro-hello-world.html b/intro-hello-world.html
index 680e815..7ab044b 100644
--- a/intro-hello-world.html
+++ b/intro-hello-world.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1849,7 +1867,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/intro-overview.html b/intro-overview.html
index e734697..6a72879 100644
--- a/intro-overview.html
+++ b/intro-overview.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1776,7 +1794,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/jsonschema/protocol-announcement.json b/jsonschema/protocol-announcement.json
new file mode 100644
index 0000000..d5ba9fa
--- /dev/null
+++ b/jsonschema/protocol-announcement.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "type": "object",
+  "description": "An Ditto Protocol announcement announces an event before it actually happens.",
+  "title": "Ditto Protocol announcement",
+  "properties": {
+    "topic": {
+      "type": "string",
+      "description": "Contains the topic of the announcement, ending with the announcement name."
+    },
+    "headers": {
+      "type": "object",
+      "description": "Additional headers."
+    },
+    "path": {
+      "type": "string",
+      "description": "The path is always the empty path `/` for an announcement."
+    },
+    "value": {
+      "type": ["object","string","number","array","boolean"],
+      "description": "The _value_ field contains the optional payload of the announcement."
+    }
+  },
+  "required": [ "topic", "headers", "path" ]
+}
diff --git a/jsonschema/protocol-envelope.json b/jsonschema/protocol-envelope.json
index b7fc406..a7ef294 100644
--- a/jsonschema/protocol-envelope.json
+++ b/jsonschema/protocol-envelope.json
@@ -14,7 +14,7 @@
       "properties": {
         "content-type": {
           "type": "string",
-          "description": "The content-type of the message, for Ditto Protocol messages: `application/vnd.eclipse.ditto+json`."
+          "description": "The content-type which describes the value of Ditto Protocol messages."
         },
         "correlation-id": {
           "type": "string",
diff --git a/openapi/ditto-api-2.yml b/openapi/ditto-api-2.yml
index f35d92f..50cae9a 100644
--- a/openapi/ditto-api-2.yml
+++ b/openapi/ditto-api-2.yml
@@ -8,8 +8,7 @@
     The Eclipse Ditto HTTP API uses response status codes (see [RFC 7231](https://tools.ietf.org/html/rfc7231#section-6))
     to indicate whether a specific request has been successfully completed, or not.
 
-    However, the descriptions we provide additionally to the status code (e.g. in our API docs, or error codes like. "things.entitiy.tooLarge")
-    might change without advance notice. These are not be considered as official API, and must therefore not be applied in your applications or tests.
+    However, the descriptions we provide additionally to the status code (e.g. in our API docs, or error codes like. "things.entitiy.tooLarge") might change without advance notice. These are not be considered as official API, and must therefore not be applied in your applications or tests.
 servers:
   - url: 'https://ditto.eclipseprojects.io/api/2'
     description: online Ditto Sandbox
@@ -94,11 +93,9 @@
 
         The default `thingId` consists of your default namespace and a UUID.
 
-        The default `policyId` is identical with the default `thingId`, and
-        allows the currently authorized subject all permissions.
+        The default `policyId` is identical with the default `thingId`, and allows the currently authorized subject all permissions.
 
-        In case you need to create a thing with a specific ID, use a *PUT* request instead,
-        as any `thingId` specified in the request body will be ignored.
+        In case you need to create a thing with a specific ID, use a *PUT* request instead, as any `thingId` specified in the request body will be ignored.
 
         The field `_created` is filled automatically with the timestamp of the creation. The field is read-only and can
         be retrieved later by explicitly selecting it or used in search filters.
@@ -168,8 +165,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -209,8 +204,7 @@
         Optionally, you can use the field selectors (see parameter `fields`) to only get specific
         fields, which you are interested in.
 
-        ### Example:
-        Use the field selector `_policy` to retrieve the content of the policy.
+        Example: Use the field selector `_policy` to retrieve the content of the policy.
       tags:
         - Things
       parameters:
@@ -253,7 +247,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -263,7 +258,8 @@
     put:
       summary: Create or update a thing with a specified ID
       description: |-
-        Create or update the thing specified by the `thingId` path parameter and the optional JSON body.
+        Create or update the thing specified by the `thingId` path parameter and
+        the optional JSON body.
 
         * If you set a new `thingId` in the path, a thing will be created.
         * If you set an existing `thingId` in the path, the thing will be updated.
@@ -273,7 +269,7 @@
         At the initial creation of a thing, only a valid `thingId` is required.
         However, you can create a full-fledged thing all at once.
 
-        ### Example:
+        Example:
         To create a coffee maker thing, set the `thingId` in the path, e.g. to "com.acme.coffeemaker:BE-42"
         and the body part, like in the following snippet.
 
@@ -460,8 +456,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -491,210 +485,6 @@
                       waterAmount: 731
                       temperature: 44
         description: JSON representation of the thing to be modified.
-    patch:
-      summary: Patch a thing with a specified ID
-      description: |-
-        Patch an existing thing specified by the `thingId` path parameter.
-
-        Patching a thing will merge the provided request body with the exisiting thing.
-        This makes it possible to change only some parts of a thing in single request without providing the full thing
-        structure in the request body.
-
-
-        ### Patch a thing
-
-        With this resource it is possible to add, update or delete parts of an existing thing.
-        The request body provided in *JSON merge patch* (RFC-7396) format will be merged with the existing thing.
-        Notice that the `null` value in the JSON body will delete the specified JSON key from the thing.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation of JSON merge patch see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-
-        ### Example
-        A Thing already exists with the following content:
-
-        ```
-        {
-          "thingId": "com.acme:coffeebrewer",
-          "policyId": "com.acme:coffeebrewer-policy",
-          "definition": "com.acme:coffeebrewer:0.1.0",
-          "attributes": {
-            "manufacturer": "ACME demo corp.",
-            "location": "Berlin, main floor",
-            "serialno": "42",
-            "model": "Speaking coffee machine"
-          },
-          "features": {
-            "coffee-brewer": {
-              "definition": ["com.acme:coffeebrewer:0.1.0"],
-              "properties": {
-                "brewed-coffees": 0
-              }
-            },
-            "water-tank": {
-              "properties": {
-                "configuration": {
-                  "smartMode": true,
-                  "brewingTemp": 87,
-                  "tempToHold": 44,
-                  "timeoutSeconds": 6000
-                },
-                "status": {
-                  "waterAmount": 731,
-                  "temperature": 44
-                }
-              }
-            }
-          }
-        }
-        ```
-
-        To make changes that only affect parts of the existing thing, e.g. add some attribute and delete a
-        specific feature property, the content of the request body could look like this:
-
-        ```
-        {
-          "attributes": {
-            "manufacturingYear": "2020"
-          },
-          "features": {
-            "water-tank": {
-              "properties": {
-                "configuration": {
-                  "smartMode": null,
-                  "tempToHold": 50
-                }
-              }
-            }
-          }
-        }
-        ```
-
-        The request body will be merged with the existing thing and the result will be the following thing:
-
-        ```
-        {
-          "definition": "com.acme:coffeebrewer:0.1.0",
-          "attributes": {
-            "manufacturer": "ACME demo corp.",
-            "manufacturingYear": "2020",
-            "location": "Berlin, main floor",
-            "serialno": "42",
-            "model": "Speaking coffee machine"
-          },
-          "features": {
-            "coffee-brewer": {
-              "definition": ["com.acme:coffeebrewer:0.1.0"],
-              "properties": {
-                "brewed-coffees": 0
-              }
-            },
-            "water-tank": {
-              "properties": {
-                "configuration": {
-                  "brewingTemp": 87,
-                  "tempToHold": 50,
-                  "timeoutSeconds": 6000
-                },
-                "status": {
-                  "waterAmount": 731,
-                  "temperature": 44
-                }
-              }
-            }
-          }
-        }
-        ```
-
-        ### Permissions for patching an existing Thing
-
-        For updating an existing thing, the authorized subject needs **WRITE** permission on those parts of the thing
-        that are affected by the merge update.
-
-        For example, to successfully execute the above example the authorized subject needs to have unrestricted
-        *WRITE* permissions on all affected paths of the JSON merge patch: `attributes/manufacturingYear`,
-        `features/water-tank/properties/configuration/smartMode`,
-        `features/water-tank/properties/configuration/tempToHold`. The *WRITE* permission must not be revoked on any
-        level further down the hierarchy. Consequently, it is also sufficient for the authorized subject to have
-        unrestricted *WRITE* permission at root level or unrestricted *WRITE* permission at `/attributes` and
-        `/features` etc.
-      tags:
-        - Things
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParam'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/PutMetadataParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The thing was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-
-              * the JSON body of the thing to be patched is invalid
-              * the JSON body of the thing to be patched contains a `thingId` which does not match the ID in the path
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller would not have access to the thing after creating it with the given policy
-              * the caller has insufficient permissions.
-                For modifying an existing thing, an unrestricted `WRITE` permission on the thing's root resource is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the referenced thing does not exist.
-              * the caller has insufficient permissions to read the referenced thing.
-              * the policy that should be copied does not exist.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/PatchThing'
-            example:
-              attributes:
-                manufacturingYear: '2020'
-              features:
-                water-tank:
-                  properties:
-                    configuration:
-                      smartMode: null
-                      tempToHold: 50
-        description: JSON representation of the thing to be patched.
     delete:
       summary: Delete a specific thing
       description: |-
@@ -740,7 +530,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -801,7 +592,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -878,7 +670,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -887,94 +680,8 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         $ref: '#/components/requestBodies/Definition'
-    patch:
-      summary: Patch the definition of a specific thing
-      description: |-
-        * If the thing does not have a definition yet, this request will create it.
-        * If the thing already has a definition you can replace it by providing the new definition in the request body.
-        * If the request body is set to `null` then the defintion will be deleted.
-
-        Notice that the `null` value in the JSON body has a special meaning and will delete the definition from the thing.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-      tags:
-        - Things
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The definition was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-
-              * the `thingId` does not conform to the namespaced entity ID notation
-                (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id))
-              * the JSON was invalid
-              * the request body was not a JSON object.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying a definition of an existing thing, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/Definition'
-            example: '"example:test:definition"'
-        description: |-
-          JSON string representation of the definition to be patched.
-
-          Consider that the value has to be a JSON string.
-          Examples:
-
-            * an string: `"value"` - Currently the definition should follow the pattern: [_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]
-            * an empty string: `""`
-            * `null`: the definition will be deleted
     delete:
       summary: Delete the definition of a specific thing
       description: Deletes the definition of the thing identified by the `thingId`.
@@ -1015,7 +722,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or its definition was not found.
+            The request could not be completed. The thing with the given ID or
+            its definition was not found.
           content:
             application/json:
               schema:
@@ -1136,7 +844,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The thing with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -1145,8 +854,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -1159,74 +866,6 @@
 
           The ID of a policy needs to conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
         required: true
-    patch:
-      summary: Patch the policy ID of a thing
-      description: |-
-        Patch the policy ID of the thing identified by the `thingId` path parameter.
-
-        The `policyId` of the thing will be updated.
-        Notice that for this resource it is not possible to remove the `policyId` from the thing by setting the
-        payload to `null`.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-      tags:
-        - Things
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: 'The policy ID was successfully patched. Note: You will need to create the policy content separately.'
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id))
-              * the `policyId` can not be removed from a thing.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found in the context of the authenticated user.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              type: string
-              example: '"your.namespace:your-policy-name"'
-        description: |-
-          The policy is used for controlling access to this thing. It is managed by resource `/policies/{policyId}`.
-
-          The ID of a policy needs to conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-        required: true
   '/things/{thingId}/attributes':
     get:
       summary: List all attributes of a specific thing
@@ -1281,8 +920,9 @@
     put:
       summary: Create or update all attributes of a specific thing at once
       description: |-
-        Create or update the attributes of a thing identified by the `thingId` path parameter.
-        The attributes will be overwritten - all at once - with the content (JSON) set in the request body.
+        Create or update the attributes of a thing identified by the `thingId`
+        path parameter. The attributes will be overwritten - all at once - with the
+        content (JSON) set in the request body.
       tags:
         - Things
       parameters:
@@ -1345,7 +985,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -1354,102 +995,13 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         $ref: '#/components/requestBodies/Attributes'
-    patch:
-      summary: Patch all attributes of a specific thing
-      description: |-
-        Patch the attributes of a thing identified by the `thingId` path parameter.
-        The existing attributes will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value has a special meaning and can be used to delete all or specific attributes from a thing.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        **Note**: In contrast to the "PUT things/{thingId}/attributes" request,
-        a partial update is supported here and request body is merged with the existing attributes.
-      tags:
-        - Things
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The attributes were successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body of the attributes to be patched is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying the attributes of an existing thing, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/Attributes'
-            example:
-              manufacturer:
-                name: ACME demo corp.
-                location: 'Berlin, main floor'
-              coffeemaker:
-                serialno: '42'
-                model: Speaking coffee machine
-        description: |-
-          JSON object of all attributes to be patched. Consider that the value has to be a [JSON merge patch](https://tools.ietf.org/html/rfc7396).
-
-            Examples:
-              * a simple object: `{ "key": "value"}` - We strongly recommend to use a restricted set of characters for the key (identifier), as the key might be needed for the (URL) path later.<br> Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
-              * a nested object as shown in the example value
-              * `null`: deletes all attributes
-        required: true
     delete:
       summary: Delete all attributes of a specific thing at once
       description: |-
-        Deletes all attributes of the thing identified by the `thingId` path parameter.
+        Deletes all attributes of the thing identified by the `thingId` path
+        parameter.
       tags:
         - Things
       parameters:
@@ -1487,7 +1039,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or its attributes were not found.
+            The request could not be completed. The thing with the given ID or
+            its attributes were not found.
           content:
             application/json:
               schema:
@@ -1498,14 +1051,16 @@
     get:
       summary: Retrieve a specific attribute of a specific thing
       description: |-
-        Returns a specific attribute of the thing identified by the `thingId` path parameter.
+        Returns a specific attribute of the thing identified by the `thingId`
+        path parameter.
 
-        The attribute (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
+        The attribute (JSON) can be referenced hierarchically, by
+        applying JSON Pointer notation (RFC-6901).
 
-        ### Example:
-
+        Example:
         In order to retrieve the `name` field of an `manufacturer` attribute,
-        the full path would be `/things/{thingId}/attributes/manufacturer/name`
+        the full path would be
+        `/things/{thingId}/attributes/manufacturer/name`
       tags:
         - Things
       parameters:
@@ -1542,7 +1097,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or the attribute at the specified path was not found.
+            The request could not be completed. The thing with the given ID or
+            the attribute at the specified path was not found.
           content:
             application/json:
               schema:
@@ -1552,16 +1108,15 @@
     put:
       summary: Create or update a specific attribute of a specific thing
       description: |-
-        Create or update a specific attribute of the thing identified by the `thingId` path parameter.
+        Create or update a specific attribute of the thing identified by the
+        `thingId` path parameter.
 
         * If you specify a new attribute path, this will be created
         * If you specify an existing attribute path, this will be updated
 
         The attribute (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
 
-        ### Example:
-
-        In order to put the `name` field of an `manufacturer` attribute, the full path would be
+        Example: In order to put the `name` field of an `manufacturer` attribute, the full path would be
         `/things/{thingId}/attributes/manufacturer/name`
       tags:
         - Things
@@ -1621,7 +1176,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -1630,98 +1186,18 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         $ref: '#/components/requestBodies/Value'
-    patch:
-      summary: Patch a specific attribute of a specific thing
-      description: |-
-        Patch a specific attribute of a thing identified by the `thingId` path parameter.
-
-        * If you specify a new attribute path, this will be created
-        * If you specify an existing attribute path, this will be merged
-        * If you set the request body to `null` for an existing attribute path then the attribute will be deleted.
-          For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-
-
-        The attribute (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
-
-        ### Example:
-
-        In order to patch the `name` field of an `manufacturer` attribute, the full path would be
-        `/things/{thingId}/attributes/manufacturer/name`
-      tags:
-        - Things
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/AttributesPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The attribute was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying an attribute of an existing thing, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        $ref: '#/components/requestBodies/PatchValue'
     delete:
       summary: Delete a specific attribute of a specific thing
       description: |-
-        Deletes a specific attribute of the thing identified by the `thingId` path parameter.
+        Deletes a specific attribute of the thing identified by the `thingId`
+        path parameter.
 
         The attribute (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
 
-        ### Example:
-
-        In order to delete the `name` field of an `manufacturer` attribute, the full path would be
-        `/things/{thingId}/attributes/manufacturer/name`
+        Example: In order to delete the `name` field of an `manufacturer` attribute, the full path would be
+                `/things/{thingId}/attributes/manufacturer/name`
       tags:
         - Things
       parameters:
@@ -1760,7 +1236,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or the attribute at the specified path was not found.
+            The request could not be completed. The thing with the given ID or
+            the attribute at the specified path was not found.
           content:
             application/json:
               schema:
@@ -1771,7 +1248,8 @@
     get:
       summary: List all features of a specific thing
       description: |-
-        Returns all features of the thing identified by the `thingId` path parameter.
+        Returns all features of the thing identified by the `thingId` path
+        parameter.
       tags:
         - Features
       parameters:
@@ -1783,7 +1261,8 @@
       responses:
         '200':
           description: |-
-            The list of features of the specific thing were successfully retrieved.
+            The list of features of the specific thing were successfully
+            retrieved.
           headers:
             ETag:
               description: |-
@@ -1825,7 +1304,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found or the features have not been defined.
+            The request could not be completed. The thing with the given ID was
+            not found or the features have not been defined.
           content:
             application/json:
               schema:
@@ -1835,8 +1315,8 @@
     put:
       summary: Create or modify all features of a specific thing at once
       description: |-
-        Create or modify all features of a thing identified by the `thingId` path parameter.
-
+        Create or modify all features of a thing identified by the `thingId`
+        path parameter.
         ### Create all features at once
         In case at the initial creation of your thing you have not specified any features, these can be created here.
 
@@ -1847,7 +1327,7 @@
         but the content will be **overwritten**.
         If you need to update single features or their paths, please use the sub-resources instead.
 
-        ### Example:
+        Example:
 
         ```
         {
@@ -1936,7 +1416,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -1945,8 +1426,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -1980,132 +1459,11 @@
 
           * a nested object with multiple features as shown in the example value field
         required: true
-    patch:
-      summary: Patch all features of a specific thing
-      description: |-
-        Patch all features of a thing identified by the `thingId` path parameter.
-
-        The existing features will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value has a special meaning and can be used to delete specific features from the thing.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        **Note**: In contrast to the "PUT thing/{thingId}/features" request, a partial update is supported here
-        and request body is merged with the existing features.
-
-        ### Example
-
-        The following example will add/update the properties `brewed-coffees`, `tempToHold` and `failState`.
-        The configuration property `smartMode` will be deleted from the thing.
-
-
-        ```
-        {
-          "coffee-brewer": {
-            "properties": {
-              "brewed-coffees": 10
-            }
-          },
-          "water-tank": {
-            "properties": {
-              "configuration": {
-                "smartMode": null,
-                "tempToHold": 50,
-              },
-              "status": {
-                "failState": true
-              }
-            }
-          }
-        }
-        ```
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The features were successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body of the feature to be created/modified is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying all features of an existing thing, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/Features'
-            example:
-              coffee-brewer:
-                properties:
-                  brewed-coffees: 10
-              water-tank:
-                properties:
-                  configuration:
-                    smartMode: null
-                    tempToHold: 50
-                  status:
-                    failState: true
-        description: |-
-          JSON object of all features to be patched. Consider that the value has to be a [JSON merge patch](https://tools.ietf.org/html/rfc7396).
-
-          Examples:
-
-          * a nested object with multiple features as shown in the example value field
-
-          * **Note**: To delete certain entries of a feature the `null` value can be used.
-            For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-        required: true
     delete:
       summary: Delete all features of a specific thing
       description: |-
-        Deletes all features of the thing identified by the `thingId` path parameter.
+        Deletes all features of the thing identified by the `thingId` path
+        parameter.
       tags:
         - Features
       parameters:
@@ -2143,7 +1501,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found or the features have not been defined.
+            The request could not be completed. The thing with the given ID was
+            not found or the features have not been defined.
           content:
             application/json:
               schema:
@@ -2154,7 +1513,8 @@
     get:
       summary: Retrieve a specific feature of a specific thing
       description: |-
-        Returns a specific feature identified by the `featureId` path parameter of the thing identified by the `thingId` path parameter.
+        Returns a specific feature identified by the `featureId` path parameter
+        of the thing identified by the `thingId` path parameter.
       tags:
         - Features
       parameters:
@@ -2197,7 +1557,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or the feature with the specified `featureId` was not found.
+            The request could not be completed. The thing with the given ID or
+            the feature with the specified `featureId` was not found.
           content:
             application/json:
               schema:
@@ -2207,7 +1568,8 @@
     put:
       summary: Create or modify a specific feature of a specific thing
       description: |-
-        Create or modify a specific feature identified by the `featureId` path  parameter of the thing identified by the `thingId` path parameter.
+        Create or modify a specific feature identified by the `featureId` path
+        parameter of the thing identified by the `thingId` path parameter.
 
         ### Create feature
         If the feature ID is new, the feature and all content from the JSON body will be created
@@ -2216,8 +1578,7 @@
         If the feature ID is used already in this thing, the feature will be overwrittern
         with the content from the JSON body.
 
-        ### Example:
-        Set the `featureId` to **coffee-brewer** and all properties in the body part.
+        Example: Set the `featureId` to **coffee-brewer** and all properties in the body part.
 
         ```
         {
@@ -2290,7 +1651,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID was not found.
+            The request could not be completed. The thing with the given ID was
+            not found.
           content:
             application/json:
               schema:
@@ -2299,8 +1661,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -2314,118 +1674,18 @@
                 connected: true
                 brewed-coffees: 0
         description: |-
-          JSON representation of the feature to be created/modified. Consider that the value has to be a JSON object or null.
+          JSON representation of the feature to be created/modified.
+          Consider that the value has to be a JSON object or null.
 
           Examples:
           * an empty object: {} - would just create the featureID but would delete all content of the feature
           * a nested object with multiple model definitions and multiple properties as shown in the example value field
         required: true
-    patch:
-      summary: Patch a specific feature of a specific thing
-      description: |-
-        Patch a specific feature identified by the `featureId` path parameter of a thing identified by the `thingId` path parameter.
-
-        The existing feature will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value can be used to delete the whole feature or specific parts of it.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        **Note**: In contrast to the "PUT things/{thingId}/features/{featureId}" request,
-        a partial update is supported here and request body is merged with the existing feature.
-
-        ### Example
-
-        Set the `featureId` to **coffee-brewer** and all properties in the body part
-        to update the `brewed-coffees` property and delete the definition.
-
-        ```
-        {
-          "definition": null,
-          "properties": {
-            "brewed-coffees": 42
-          }
-        }
-        ```
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The feature was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body of the feature to be created/modified is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying a single feature of an existing thing, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/Feature'
-            example:
-              definition: null
-              properties:
-                connected: true
-                brewed-coffees: 0
-        description: |-
-          JSON representation of the feature to be patched. Consider that the value has to be a [JSON merge patch](https://tools.ietf.org/html/rfc7396).
-
-          Examples:
-          * a nested object with multiple model definitions and multiple properties as shown in the example value field
-          * **Note**: To delete certain properties of a feature the `null` value can be used.
-            For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-        required: true
     delete:
       summary: Delete a specific feature of a specific thing
       description: |-
-        Deletes a specific feature identified by the `featureId` path parameter of the thing identified by the `thingId` path parameter.
+        Deletes a specific feature identified by the `featureId` path parameter
+        of the thing identified by the `thingId` path parameter.
       tags:
         - Features
       parameters:
@@ -2464,7 +1724,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing with the given ID or the feature at the specified path was not found.
+            The request could not be completed. The thing with the given ID or
+            the feature at the specified path was not found.
           content:
             application/json:
               schema:
@@ -2475,7 +1736,8 @@
     get:
       summary: List the definition of a feature
       description: |-
-        Returns the complete definition field of the feature identified by the `thingId` and `featureId` path parameter.
+        Returns the complete definition field of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -2517,8 +1779,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified feature has no definition or
-            the thing with the specified `thingId` or the feature with `featureId` was not found.
+            The request could not be completed. The specified feature has no
+            definition or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -2528,7 +1791,8 @@
     put:
       summary: Create or update the definition of a feature
       description: |-
-        Create or update the complete definition of a feature identified by the `thingId` and `featureId` path parameter.
+        Create or update the complete definition of a feature identified by the `thingId`
+        and `featureId` path parameter.
 
         The definition field will be overwritten with the JSON array set in the request body
       tags:
@@ -2594,7 +1858,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
+            The request could not be completed. The thing or the feature with
+            the given ID was not found.
           content:
             application/json:
               schema:
@@ -2603,8 +1868,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -2617,93 +1880,15 @@
           JSON array of the complete definition to be updated. Consider that the
           value has to be a JSON array or `null`.
 
-          The content of the JSON array are strings in the format `"namespace:name:version"` which is enforced.
-        required: true
-    patch:
-      summary: Patch the definition of a feature
-      description: |-
-        Patch the definition of a feature identified by the `thingId` and `featureId` path parameter.
-
-        The existing definition field will be overwritten with the JSON array set in the request body.
-
-        Notice that the `null` value can be used to delete the definition of a feature.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The definition was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying the definition of an existing feature, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/FeatureDefinition'
-            example:
-              - 'com.acme:coffeebrewer:0.1.0'
-              - 'com.acme:coffeebrewer:1.1.0'
-        description: |-
-          JSON array of the complete definition to be patched. Consider that the value has to be a JSON array.
-
-          The content of the JSON array are strings in the format `"namespace:name:version"` which is enforced.
-          To delete the definition use `null` as content in the request body.
+          The content of the JSON array
+          are strings in the format `"namespace:name:version"` which is
+          enforced.
         required: true
     delete:
       summary: Delete the definition of a feature
       description: |-
-        Deletes the complete definition of the feature identified by the `thingId` and `featureId` path parameter.
+        Deletes the complete definition of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -2743,7 +1928,8 @@
         '404':
           description: |-
             The request could not be completed. The specified feature has no
-            definition or the thing with the specified `thingId` or the feature with `featureId` was not found.
+            definition or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -2754,7 +1940,8 @@
     get:
       summary: List all properties of a feature
       description: |-
-        Returns all properties of the feature identified by the `thingId` and `featureId` path parameter.
+        Returns all properties of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -2797,8 +1984,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified feature has no properties or
-            the thing with the specified `thingId` or the feature with `featureId` was not found.
+            The request could not be completed. The specified feature has no
+            properties or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -2808,7 +1996,8 @@
     put:
       summary: Create or update all properties of a feature at once
       description: |-
-        Create or update the properties of a feature identified by the `thingId` and `featureId` path parameter.
+        Create or update the properties of a feature identified by the `thingId`
+        and `featureId` path parameter.
 
         The properties will be overwritten with the JSON content from the request body.
       tags:
@@ -2870,7 +2059,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
+            The request could not be completed. The thing or the feature with
+            the given ID was not found.
           content:
             application/json:
               schema:
@@ -2879,8 +2069,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -2903,101 +2091,11 @@
 
           Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
         required: true
-    patch:
-      summary: Patch all properties of a feature
-      description: |-
-        Patch the properties of a feature identified by the `thingId` and `featureId` path parameter.
-
-        The existing properties will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value can be used to delete specific feature properties.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        **Note**: In contrast to the "PUT things/{thingId}/features/{featureId}/properties" request,
-        a partial update is supported here and request body is merged with the existing properties.
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The properties were successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body of the feature properties to be created/modified is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying the properties of an existing feature, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/FeatureProperties'
-            example:
-              configuration:
-                smartMode: null
-                brewingTemp: 87
-                tempToHold: 44
-                timeoutSeconds: 6000
-              status:
-                waterAmount: 731
-                temperature: 44
-        description: |-
-          JSON object of all properties to be patched.
-
-          Consider that the value has to be a [JSON merge patch](https://tools.ietf.org/html/rfc7396). We strongly recommend to use a restricted set of characters for the key (identifier).
-
-          Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
-        required: true
     delete:
       summary: Delete all properties of a feature
       description: |-
-        Deletes all properties of the feature identified by the `thingId` and `featureId` path parameter.
+        Deletes all properties of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -3036,8 +2134,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified feature has no properties or
-            the thing with the specified `thingId` or the feature with `featureId` was not found.
+            The request could not be completed. The specified feature has no
+            properties or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -3048,9 +2147,11 @@
     get:
       summary: Retrieve a specific property of a feature
       description: |-
-        Returns the a specific property path of the feature identified by the `thingId` and `featureId` path parameter.
+        Returns the a specific property path of the feature identified by the `thingId` and
+        `featureId` path parameter.
 
-        The property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901)
+        The property (JSON) can be referenced
+        hierarchically, by applying JSON Pointer notation (RFC-6901)
 
         ### Example
         To retrieve the value of the `brewingTemp` in the `water-tank` of our coffeemaker example the full path is:
@@ -3093,8 +2194,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified property or the thing with the specified `thingId`
-            or the feature with `featureId` was not found.
+            The request could not be completed. The specified property or the
+            thing with the specified `thingId` or the feature with `featureId`
+            was not found.
           content:
             application/json:
               schema:
@@ -3104,11 +2206,14 @@
     put:
       summary: Create or update a specific property of a feature
       description: |-
-        Create or update a specific property of a feature identified by the `thingId` and `featureId` path parameter.
+        Create or update a specific property of a feature identified by the
+        `thingId` and `featureId` path parameter.
 
-        The property will be created if it doesn't exist or else updated.
+        The property will be created
+        if it doesn't exist or else updated.
 
-        The property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901),
+        The property (JSON) can be
+        referenced hierarchically, by applying JSON Pointer notation (RFC-6901),
 
         ### Example
         To set the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
@@ -3170,7 +2275,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
+            The request could not be completed. The thing or the feature with
+            the given ID was not found.
           content:
             application/json:
               schema:
@@ -3179,96 +2285,20 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         $ref: '#/components/requestBodies/Value'
-    patch:
-      summary: Patch a specific property of a feature
-      description: |-
-        Patch a specific property of a feature identified by the `thingId` and `featureId` path parameter.
-
-        The existing property will be merged with the existing one of the thing.
-
-        Notice that the `null` value can be used to delete the specified propertyPath.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        The property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
-
-        ### Example
-        To set the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
-
-        `/things/{thingId}/features/water-tank/properties/configuration/brewingTemp`
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/PropertyPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The property was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For creating/updating a property of an existing feature, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        $ref: '#/components/requestBodies/PatchValue'
     delete:
       summary: Delete a specific property of a feature
       description: |-
-        Deletes a specific property of the feature identified by the `thingId` and `featureId` path parameter.
+        Deletes a specific property of the feature identified by the `thingId`
+        and `featureId` path parameter.
 
-        The property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901)
+        The property (JSON) can be referenced
+        hierarchically, by applying JSON Pointer notation (RFC-6901)
 
         ### Example
         To delete the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
+
         `/things/{thingId}/features/water-tank/properties/configuration/brewingTemp`
       tags:
         - Features
@@ -3300,8 +2330,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified property or the thing with the specified `thingId`
-            or the feature with `featureId` was not found.
+            The request could not be completed. The specified property or the
+            thing with the specified `thingId` or the feature with `featureId`
+            was not found.
           content:
             application/json:
               schema:
@@ -3312,7 +2343,8 @@
     get:
       summary: List all desired properties of a feature
       description: |-
-        Returns all desired properties of the feature identified by the `thingId` and `featureId` path parameter.
+        Returns all desired properties of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -3355,8 +2387,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified feature has no desired properties or
-            the thing with the specified `thingId` or the feature with `featureId` was not found.
+            The request could not be completed. The specified feature has no desired
+            properties or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -3366,7 +2399,8 @@
     put:
       summary: Create or update all desired properties of a feature at once
       description: |-
-        Create or update the desired properties of a feature identified by the `thingId` and `featureId` path parameter.
+        Create or update the desired properties of a feature identified by the `thingId`
+        and `featureId` path parameter.
 
         The desired properties will be overwritten with the JSON content from the request body.
       tags:
@@ -3428,7 +2462,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
+            The request could not be completed. The thing or the feature with
+            the given ID was not found.
           content:
             application/json:
               schema:
@@ -3437,8 +2472,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -3461,102 +2494,11 @@
 
           Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
         required: true
-    patch:
-      summary: Patch all desired properties of a feature
-      description: |-
-        Patch the desired properties of a feature identified by the `thingId` and `featureId` path parameter.
-
-        The existing desired properties will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value can be used to delete the whole feature or specific parts of it.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        **Note**: In contrast to the "PUT things/{thingId}/features/{featureId}/desiredProperties" request,
-        a partial update is supported here and request body is merged with the existing desired properties.
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The desired properties were successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body of the desired feature roperties to be created/modified is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For modifying the desired properties of an existing feature, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        content:
-          application/merge-patch+json:
-            schema:
-              $ref: '#/components/schemas/FeatureProperties'
-            example:
-              configuration:
-                smartMode: null
-                brewingTemp: 87
-                tempToHold: 44
-                timeoutSeconds: 6000
-              status:
-                waterAmount: 731
-                temperature: 44
-        description: |-
-          JSON object of all desried properties to be patched.
-
-          Consider that the value has to be a [JSON merge patch](https://tools.ietf.org/html/rfc7396). We strongly recommend to use
-          a restricted set of characters for the key (identifier).
-
-          Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
-        required: true
     delete:
       summary: Delete all desired properties of a feature
       description: |-
-        Deletes all desired properties of the feature identified by the `thingId` and `featureId` path parameter.
+        Deletes all desired properties of the feature identified by the `thingId` and
+        `featureId` path parameter.
       tags:
         - Features
       parameters:
@@ -3595,8 +2537,9 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The specified feature has no desired properties
-            or the thing with the specified `thingId` or the feature with `featureId` was not found.
+            The request could not be completed. The specified feature has no desired
+            properties or the thing with the specified `thingId` or the feature
+            with `featureId` was not found.
           content:
             application/json:
               schema:
@@ -3607,9 +2550,11 @@
     get:
       summary: Retrieve a specific desired property of a feature
       description: |-
-        Returns the a specific desired property path of the feature identified by the `thingId` and `featureId` path parameter.
+        Returns the a specific desired property path of the feature identified by the `thingId` and
+        `featureId` path parameter.
 
-        The desired property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901)
+        The desired property (JSON) can be referenced
+        hierarchically, by applying JSON Pointer notation (RFC-6901)
 
         ### Example
         To retrieve the value of the `brewingTemp` in the `water-tank` of our coffeemaker example the full path is:
@@ -3653,7 +2598,8 @@
         '404':
           description: |-
             The request could not be completed. The specified desired property or the
-            thing with the specified `thingId` or the feature with `featureId` was not found.
+            thing with the specified `thingId` or the feature with `featureId`
+            was not found.
           content:
             application/json:
               schema:
@@ -3663,11 +2609,14 @@
     put:
       summary: Create or update a specific desired property of a feature
       description: |-
-        Create or update a specific desired property of a feature identified by the `thingId` and `featureId` path parameter.
+        Create or update a specific desired property of a feature identified by the
+        `thingId` and `featureId` path parameter.
 
-        The desired property will be created if it doesn't exist or else updated.
+        The desired property will be created
+        if it doesn't exist or else updated.
 
-        The desired property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
+        The desired property (JSON) can be
+        referenced hierarchically, by applying JSON Pointer notation (RFC-6901),
 
         ### Example
         To set the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
@@ -3729,7 +2678,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
+            The request could not be completed. The thing or the feature with
+            the given ID was not found.
           content:
             application/json:
               schema:
@@ -3738,95 +2688,20 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         $ref: '#/components/requestBodies/Value'
-    patch:
-      summary: Patch a specific desired property of a feature
-      description: |-
-        Patch a specific desired property of a feature identified by the `thingId` and `featureId` path parameter.
-
-        The exisiting desired property of a feature will be merged with the JSON content set in the request body.
-
-        Notice that the `null` value can be used to delete the specified propertyPath.
-        The `Content-Type` header for this request must be "application/merge-patch+json".
-        For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-
-        The desired property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901).
-
-        ### Example
-        To set the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
-        `/things/{thingId}/features/water-tank/desiredProperties/configuration/brewingTemp`
-      tags:
-        - Features
-      parameters:
-        - $ref: '#/components/parameters/ThingIdPathParam'
-        - $ref: '#/components/parameters/FeatureIdPathPathParam'
-        - $ref: '#/components/parameters/PropertyPathPathParam'
-        - $ref: '#/components/parameters/IfMatchHeaderParamHash'
-        - $ref: '#/components/parameters/IfNoneMatchHeaderParam'
-        - $ref: '#/components/parameters/RequestedAcksParam'
-        - $ref: '#/components/parameters/TimeoutParam'
-        - $ref: '#/components/parameters/ResponseRequiredParam'
-      responses:
-        '204':
-          description: The desired property was successfully patched.
-          headers:
-            ETag:
-              description: |-
-                The (current server-side) ETag for this (sub-)resource. For top-level resources it is in the format
-                "rev:[revision]", for sub-resources it has the format "hash:[calculated-hash]".
-              schema:
-                type: string
-        '400':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the `thingId` does not conform to the namespaced entity ID notation (see [Ditto documentation on namespaced entity IDs](https://www.eclipse.org/ditto/basic-namespaces-and-names.html#namespaced-id)).
-              * the JSON body is invalid
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '401':
-          description: The request could not be completed due to missing authentication.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '403':
-          description: |-
-            The request could not be completed. Possible reasons:
-              * the caller has insufficient permissions.
-                For creating/updating a desired property of an existing feature, `WRITE` permission is required.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '404':
-          description: |-
-            The request could not be completed. The thing or the feature with the given ID was not found.
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/AdvancedError'
-        '412':
-          $ref: '#/components/responses/PreconditionFailed'
-        '413':
-          $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
-      requestBody:
-        $ref: '#/components/requestBodies/PatchValue'
     delete:
       summary: Delete a specific desired property of a feature
       description: |-
-        Deletes a specific desired property of the feature identified by the `thingId` and `featureId` path parameter.
+        Deletes a specific desired property of the feature identified by the `thingId`
+        and `featureId` path parameter.
 
-        The desired property (JSON) can be referenced hierarchically, by applying JSON Pointer notation (RFC-6901)
+        The desired property (JSON) can be referenced
+        hierarchically, by applying JSON Pointer notation (RFC-6901)
 
         ### Example
         To delete the value of the brewingTemp in the water-tank of our coffeemaker example the full path is:
+
         `/things/{thingId}/features/water-tank/desiredProperties/configuration/brewingTemp`
       tags:
         - Features
@@ -3859,7 +2734,8 @@
         '404':
           description: |-
             The request could not be completed. The specified desired property or the
-            thing with the specified `thingId` or the feature with `featureId` was not found.
+            thing with the specified `thingId` or the feature with `featureId`
+            was not found.
           content:
             application/json:
               schema:
@@ -3911,13 +2787,15 @@
       responses:
         '200':
           description: |-
-            The Claim message was processed successfully and the response body contains the custom response.
-            The response body may contain arbitrary data chosen by the recipient. The response code defaults
+            The Claim message was processed successfully and the response body
+            contains the custom response. The response body may contain
+            arbitrary data chosen by the recipient. The response code defaults
             to `200` but may be chosen by the recipient too.
         '204':
           description: |-
-            The Claim message was processed successfully and no custom response body was set.
-            The response code defaults to `204` but may be chosen by the recipient.
+            The Claim message was processed successfully and no custom response
+            body was set. The response code defaults to `204` but may be chosen
+            by the recipient.
         '400':
           description: |-
             The request could not be completed. Possible reasons:
@@ -3951,7 +2829,8 @@
           $ref: '#/components/responses/MessageTooLarge'
         '429':
           description: |-
-            The user has sent too many requests in a given amount of time ("rate limiting").
+            The user has sent too many requests in a given amount of time ("rate
+            limiting").
           content:
             application/json:
               schema:
@@ -3968,23 +2847,25 @@
         A message can be sent to a thing or one of its features in order to invoke an operation on the device.
 
         ### How
-        Send a message with a `messageSubject` **to** the thing identified by the `thingId` path parameter.
-        The request body contains the message payload and the `Content-Type` header defines its type.
+        Send a message with a `messageSubject` **to** the thing
+        identified by the `thingId` path parameter. The request body contains
+        the message payload and the `Content-Type` header defines its type.
 
         The HTTP request blocks until all acknowledgement requests are fulfilled.
-        By default, it blocks until a response to the message is available or until the `timeout` is expired.
-        If many clients respond to the issued message, the first response will complete the HTTP request.
+        By default, it blocks until a response to the message is available
+        or until the `timeout` is expired. If many clients respond to
+        the issued message, the first response will complete the HTTP request.
 
-        In order to handle the message in a fire and forget manner, add a query-parameter `timeout=0` to the request.
+        In order to handle the message in a fire and forget manner, add
+        a query-parameter `timeout=0` to the request.
 
-        Note that the client chooses which HTTP status code it wants to return.
-        Ditto will forward the status code to you. (Also note that '204 - No Content' status code
+        Note that the client chooses which HTTP status code it wants to return. Ditto
+        will forward the status code to you. (Also note that '204 - No Content' status code
         will never return a body, even if the client responded with a body).
 
         ### Who
-        You will need `WRITE` permission on the root "message:/" resource,
-        or at least the resource `message:/inbox/messages/messageSubject`.
-        The receiving device needs `READ` permission on the resource.
+        You will need `WRITE` permission on the root "message:/" resource, or at least
+        the resource `message:/inbox/messages/messageSubject`. The receiving device needs `READ` permission on the resource.
         Such permission is managed within the policy which controls the access on the thing.
 
         ### Example
@@ -4054,17 +2935,20 @@
     post:
       summary: Send a message FROM a specific thing
       description: |-
-        Send a message with the subject `messageSubject` **from** the thing identified by the `thingId` path parameter.
-        The request body contains the message payload and the `Content-Type` header defines its type.
+        Send a message with the subject `messageSubject` **from** the thing
+        identified by the `thingId` path parameter. The request body contains
+        the message payload and the `Content-Type` header defines its type.
 
         The HTTP request blocks until all acknowledgement requests are fulfilled.
-        By default, it blocks until a response to the message is available or until the `timeout` is expired.
-        If many clients respond to the issued message, the first response will complete the HTTP request.
+        By default, it blocks until a response to the message is available
+        or until the `timeout` is expired. If many clients respond to
+        the issued message, the first response will complete the HTTP request.
 
-        In order to handle the message in a fire and forget manner, add a query-parameter `timeout=0` to the request.
+        In order to handle the message in a fire and forget manner, add
+        a query-parameter `timeout=0` to the request.
 
-        Note that the client chooses which HTTP status code it wants to return.
-        Ditto will forward the status code to you. (Also note that '204 - No Content' status code
+        Note that the client chooses which HTTP status code it wants to return. Ditto
+        will forward the status code to you. (Also note that '204 - No Content' status code
         will never return a body, even if the client responded with a body).
 
         ### Who
@@ -4130,17 +3014,21 @@
     post:
       summary: Send a message TO a specific feature of a specific thing
       description: |-
-        Send a message with the subject `messageSubject` **to** the feature specified by the `featureId` and `thingId` path parameter.
-        The request body contains the message payload and the `Content-Type` header defines its type.
+        Send a message with the subject `messageSubject` **to** the feature
+        specified by the `featureId` and `thingId` path parameter. The request
+        body contains the message payload and the `Content-Type` header defines
+        its type.
 
         The HTTP request blocks until all acknowledgement requests are fulfilled.
-        By default, it blocks until a response to the message is available or until the `timeout` is expired.
-        If many clients respond to the issued message, the first response will complete the HTTP request.
+        By default, it blocks until a response to the message is available
+        or until the `timeout` is expired. If many clients respond to
+        the issued message, the first response will complete the HTTP request.
 
-        In order to handle the message in a fire and forget manner, add a query-parameter `timeout=0` to the request.
+        In order to handle the message in a fire and forget manner, add
+        a query-parameter `timeout=0` to the request.
 
-        Note that the client chooses which HTTP status code it wants to return.
-        Ditto will forward the status code to you. (Also note that '204 - No Content' status code
+        Note that the client chooses which HTTP status code it wants to return. Ditto
+        will forward the status code to you. (Also note that '204 - No Content' status code
         will never return a body, even if the client responded with a body).
 
         ### Who
@@ -4158,7 +3046,8 @@
       responses:
         '202':
           description: |-
-            The message was sent but not necessarily received by the feature (fire and forget).
+            The message was sent but not necessarily received by the feature
+            (fire and forget).
         '400':
           description: |-
             The request could not be completed. Possible reasons:
@@ -4208,17 +3097,21 @@
     post:
       summary: Send a message FROM a specific feature of a specific thing
       description: |-
-        Send a message with the subject `messageSubject` **from** the feature specified by the `featureId` and `thingId` path parameter.
-        The request body contains the message payload and the `Content-Type` header defines its type.
+        Send a message with the subject `messageSubject` **from** the feature
+        specified by the `featureId` and `thingId` path parameter. The request
+        body contains the message payload and the `Content-Type` header defines
+        its type.
 
         The HTTP request blocks until all acknowledgement requests are fulfilled.
-        By default, it blocks until a response to the message is available or until the `timeout` is expired.
-        If many clients respond to the issued message, the first response will complete the HTTP request.
+        By default, it blocks until a response to the message is available
+        or until the `timeout` is expired. If many clients respond to
+        the issued message, the first response will complete the HTTP request.
 
-        In order to handle the message in a fire and forget manner, add a query-parameter `timeout=0` to the request.
+        In order to handle the message in a fire and forget manner, add
+        a query-parameter `timeout=0` to the request.
 
-        Note that the client chooses which HTTP status code it wants to return.
-        Ditto will forward the status code to you. (Also note that '204 - No Content' status code
+        Note that the client chooses which HTTP status code it wants to return. Ditto
+        will forward the status code to you. (Also note that '204 - No Content' status code
         will never return a body, even if the client responded with a body).
 
         ### Who
@@ -4285,8 +3178,8 @@
     get:
       summary: Retrieve a specific policy
       description: |-
-        Returns the complete policy identified by the `policyId` path parameter.
-        The response contains the policy as JSON object.
+        Returns the complete policy identified by the `policyId` path parameter. The
+        response contains the policy as JSON object.
 
         Tip: If you don't know the policy ID of a thing, request it via GET `/things/{thingId}`.
       tags:
@@ -4299,7 +3192,8 @@
       responses:
         '200':
           description: |-
-            The request successfully returned completed and returned is the policy.
+            The request successfully returned completed and returned is the
+            policy.
           headers:
             ETag:
               description: |-
@@ -4330,7 +3224,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4347,10 +3242,10 @@
         ### Create a new policy
         At the initial creation of a policy, at least one valid entry is required. However, you can create a full-fledged policy all at once.
 
-        By default the authorized subject needs WRITE permission on the root resource of the created policy.
-        You can however omit this check by setting the parameter `allow-policy-lockout` to `true`.
+        By default the authorized subject needs WRITE permission on the root resource of the created policy. You can
+        however omit this check by setting the parameter `allow-policy-lockout` to `true`.
 
-        ### Example: To create a policy for multiple coffee maker things,
+        Example: To create a policy for multiple coffee maker things,
         which gives **yourself** all permissions on all resources, set the policyId in the path,
         e.g. to "com.acme.coffeemaker:policy-01" and the body part, like in the following snippet.
 
@@ -4465,7 +3360,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4474,8 +3370,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -4505,17 +3399,20 @@
                       revoke: []
         description: |-
           JSON representation of the policy.
-          Use the placeholder `{{ request:subjectId }}` in order to let the backend insert the authenticated subjectId of the HTTP request.
+          Use the placeholder `{{ request:subjectId }}` in order to let the
+          backend insert the authenticated subjectId of the HTTP request.
         required: true
     delete:
       summary: Delete a specific policy
       description: |-
-        Deletes the policy identified by the `policyId` path parameter.
-        Deleting a policy does not implicitly delete other entities (e.g. things) which use this policy.
+        Deletes the policy identified by the `policyId` path parameter. Deleting
+        a policy does not implicitly delete other entities (e.g. things) which
+        use this policy.
 
-        Note: Delete the respective things **before** deleting the policy,
-        otherwise nobody has permission to read, update, or delete the things.
-        If you accidentally run into such a scenario, re-create the policy via PUT `/policies/{policyId}`.
+        Note: Delete the respective things **before** deleting the
+        policy, otherwise nobody has permission to read, update, or delete the things.
+        If you accidentally run into such a scenario, re-create the policy via
+        PUT `/policies/{policyId}`.
       tags:
         - Policies
       parameters:
@@ -4554,7 +3451,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4594,6 +3492,8 @@
             The request could not be completed because no policy entry matched the following conditions:
             * containing a a subject ID matching the JWT's authenticated subject
             * containing a `READ` permission granted to a `thing:/` resource path
+      requestBody:
+        $ref: '#/components/requestBodies/ActivateTokenIntegration'
   '/policies/{policyId}/actions/deactivateTokenIntegration':
     post:
       summary: Deactivate subjects for this policy derived from the token
@@ -4627,7 +3527,8 @@
     get:
       summary: Retrieve the entries of a specific policy
       description: |-
-        Returns all policy entries of the policy identified by the `policyId` path parameter.
+        Returns all policy entries of the policy identified by the `policyId`
+        path parameter.
       tags:
         - Policies
       parameters:
@@ -4638,7 +3539,8 @@
       responses:
         '200':
           description: |-
-            The request successfully returned completed and returned are the policy entries.
+            The request successfully returned completed and returned are the
+            policy entries.
           headers:
             ETag:
               description: |-
@@ -4669,7 +3571,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4679,7 +3582,8 @@
     put:
       summary: Modify the entries of a specific policy
       description: |-
-        Modify the policy entries of the policy identified by the `policyId` path parameter.
+        Modify the policy entries of the policy identified by the `policyId`
+        path parameter.
 
         Note: Take care to not lock yourself out. Use the placeholder {{ request:subjectId }}
         in order to let the backend insert the authenticated subjectId of the HTTP request.
@@ -4729,7 +3633,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4738,8 +3643,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -4768,16 +3671,16 @@
                     revoke: []
         description: |-
           JSON representation of the policy entries.
-          Use the placeholder `{{ request:subjectId }}` in order to let the backend insert the authenticated subjectId of the HTTP request.
+          Use the placeholder `{{ request:subjectId }}` in order to let the
+          backend insert the authenticated subjectId of the HTTP request.
         required: true
   '/policies/{policyId}/entries/{label}':
     get:
       summary: Retrieve the entries of a specific Label of a specific policy
       description: |-
-        Returns all entries (subjects, resources, etc.) of the policy identified by the `policyId` path parameter,
-        and by the `label` path parameter.
-
-        ### Example label: DEFAULT.
+        Returns all entries (subjects, resources, etc.) of the policy identified by the `policyId` path
+        parameter, and by the `label` path parameter.
+        Example label: DEFAULT.
       tags:
         - Policies
       parameters:
@@ -4789,7 +3692,8 @@
       responses:
         '200':
           description: |-
-            The request successfully returned completed and returned is the policy entry.
+            The request successfully returned completed and returned is the
+            policy entry.
           headers:
             ETag:
               description: |-
@@ -4832,9 +3736,9 @@
     put:
       summary: Create or modify the entries of a specific Label of a specific policy
       description: |-
-        Create or modify the policy entry identified by the `policyId` path parameter and
-        with the label identified by the `label` path parameter.
-
+        Create or modify the policy entry identified by the
+        `policyId` path parameter and with the label identified by the `label`
+        path parameter.
         * If you specify a new label, the respective policy entry will be created
         * If you specify an existig label, the respective policy entry will be updated
       tags:
@@ -4901,7 +3805,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -4910,8 +3815,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -4939,11 +3842,12 @@
                   revoke: []
         description: |-
           JSON representation of the policy entry.
-          Use the placeholder `{{ request:subjectId }}` in order to let the backend insert the authenticated subjectId of the HTTP request.
-
+          Use the placeholder `{{ request:subjectId }}` in order to let the
+          backend insert the authenticated subjectId of the HTTP request.
           ### Example
-          Given your policy "com.acme.coffeemaker:policy-01" only has the DEFAULT entry,
-          and you want to add a "Consumer" section which additionally allows USER-01 (managed within a Nginx reverse proxy) to
+          Given your policy "com.acme.coffeemaker:policy-01" only has the
+          DEFAULT entry, and you want to add a "Consumer" section which additionally allows USER-01
+          (managed within a Nginx reverse proxy) to
           *read* the thing and to trigger a "makeCoffee" operation (i.e. POST such a message - see
           POST /things/{thingId}/inbox/messages/{messageSubject}).
           Set the label value to **Consumer** and the following request body:
@@ -4974,7 +3878,8 @@
     delete:
       summary: Delete the entries of a specific Label of a specific policy
       description: |-
-        Deletes the entry of the policy identified by the `policyId` path parameter and with the label identified by the `label` path parameter.
+        Deletes the entry of the policy identified by the `policyId` path
+        parameter and with the label identified by the `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5014,7 +3919,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -5055,6 +3961,8 @@
             The request could not be completed because this policy entry did not match the following conditions:
             * containing a a subject ID matching the JWT's authenticated subject
             * containing a `READ` permission granted to a `thing:/` resource path
+      requestBody:
+        $ref: '#/components/requestBodies/ActivateTokenIntegration'
   '/policies/{policyId}/entries/{label}/actions/deactivateTokenIntegration':
     post:
       summary: Deactivate a subject for this policy entry derived from the token
@@ -5087,7 +3995,9 @@
     get:
       summary: Retrieve all Subjects for a specific Label of a specific policy
       description: |-
-        Returns all subject entries of the policy identified by the `policyId` path parameter, and by the `label` path parameter.
+        Returns all subject entries of the policy identified by the
+        `policyId` path parameter, and by the `label`
+        path parameter.
       tags:
         - Policies
       parameters:
@@ -5130,7 +4040,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID or
-            the policy entry was not found in the context of the authenticated user.
+            the policy entry was not found in the context of the authenticated
+            user.
           content:
             application/json:
               schema:
@@ -5140,7 +4051,8 @@
     put:
       summary: Create or modify all Subjects for a specific Label of a specific policy
       description: |-
-        Create or modify at once ALL subjects of the policy entry identified by the `policyId` path parameter, and by the `label` path parameter.
+        Create or modify at once ALL subjects of the policy entry identified
+        by the `policyId` path parameter, and by the `label` path parameter.
 
         ### Example - delete all subjects
         To delete all subjects set an empty body { }
@@ -5202,7 +4114,8 @@
                 $ref: '#/components/schemas/AdvancedError'
         '404':
           description: |-
-            The request could not be completed. The policy with the given ID was not found in the context of the authenticated user.
+            The request could not be completed. The policy with the given ID was
+            not found in the context of the authenticated user.
           content:
             application/json:
               schema:
@@ -5211,8 +4124,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -5229,7 +4140,8 @@
     get:
       summary: Retrieve one specific Subject for a specific Label of a specific policy
       description: |-
-        Returns the subject with ID `subjectId` of the policy entry identified by the `policyId` path parameter, and by the `label` path parameter.
+        Returns the subject with ID `subjectId` of the policy entry identified
+        by the `policyId` path parameter, and by the `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5242,7 +4154,8 @@
       responses:
         '200':
           description: |-
-            The request successfully returned completed and returned is the subject.
+            The request successfully returned completed and returned is the
+            Subject.
           headers:
             ETag:
               description: |-
@@ -5274,7 +4187,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID,
-            the policy entry or the Subject was not found in the context of the authenticated user.
+            the policy entry or the Subject was not found in the context of the
+            authenticated user.
           content:
             application/json:
               schema:
@@ -5284,7 +4198,8 @@
     put:
       summary: Create or modify one specific Subject for a specific Label of a specific policy
       description: |-
-        Create or modify the subject with ID `subjectId` of the policy identified by the `policyId` path parameter, and by the `label` path parameter.
+        Create or modify the subject with ID `subjectId` of the policy identified
+        by the `policyId` path parameter, and by the `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5351,7 +4266,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID or
-            the policy entry was not found in the context of the authenticated user.
+            the policy entry was not found in the context of the authenticated
+            user.
           content:
             application/json:
               schema:
@@ -5360,8 +4276,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -5372,11 +4286,13 @@
     delete:
       summary: Delete one specific Subject for a specific Label of a specific policy
       description: |-
-        Deletes the subject with ID `subjectId` from the policy identified by the `policyId` path parameter and
+        Deletes the subject with ID `subjectId` from the policy identified
+        by the `policyId` path parameter and
         by the `label` path parameter.
 
         Note: If the subject is used in other labels, it will not be deleted there,
-        i.e. it will not lose those permissions, but only the permissions defined in the label specified at this path.
+        i.e. it will not lose those permissions, but only the permissions defined in the
+        label specified at this path.
       tags:
         - Policies
       parameters:
@@ -5418,7 +4334,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID,
-            the policy entry or the Subject was not found in the context of the authenticated user.
+            the policy entry or the Subject was not found in the context of the
+            authenticated user.
           content:
             application/json:
               schema:
@@ -5429,7 +4346,9 @@
     get:
       summary: Retrieve all Resources for a specific Label of a specific policy
       description: |-
-        Returns all resource entries of the policy identified by the `policyId` path parameter, and by the `label` path parameter.
+        Returns all resource entries of the policy identified by
+        the `policyId` path parameter,
+        and by the `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5483,7 +4402,9 @@
     put:
       summary: Create or modify all Resources for a specific Label of a specific policy
       description: |-
-        Create or modify all resources of the policy identified by the `policyId` path parameter, and by the `label` path parameter.
+        Create or modify all resources of the policy
+        identified by the `policyId` path parameter,
+        and by the `label` path parameter.
 
         ### Delete all resource entries
 
@@ -5580,7 +4501,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID or
-            the policy entry was not found in the context of the authenticated user.
+            the policy entry was not found in the context of the authenticated
+            user.
           content:
             application/json:
               schema:
@@ -5589,8 +4511,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -5603,7 +4523,8 @@
       summary: Retrieve one specific Resource for a specific Label of a specific policy
       description: |-
         Returns the resource with path `resourcePath` of the policy identified
-        by the `policyId` path parameter, and by the `label` path parameter.
+        by the `policyId` path parameter, and
+        by the `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5616,7 +4537,8 @@
       responses:
         '200':
           description: |-
-            The request successfully returned completed and returned is the resource.
+            The request successfully returned completed and returned is the
+            Resource.
           headers:
             ETag:
               description: |-
@@ -5648,7 +4570,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID,
-            the policy entry or the Resource was not found in the context of the authenticated user.
+            the policy entry or the Resource was not found in the context of the
+            authenticated user.
           content:
             application/json:
               schema:
@@ -5658,8 +4581,9 @@
     put:
       summary: Create or modify one specific Resource for a specific Label of a specific policy
       description: |-
-        Create or modify the Resource with path `resourcePath` of the policy entry identified by the `label` path parameter
-        belonging to the policy identified by the `policyId` path parameter.
+        Create or modify the Resource with path `resourcePath` of the policy
+        entry identified by the `label` path parameter belonging to the policy
+        identified by the `policyId` path parameter.
       tags:
         - Policies
       parameters:
@@ -5689,7 +4613,7 @@
               schema:
                 $ref: '#/components/schemas/ResourceEntry'
         '204':
-          description: The resource was successfully updated.
+          description: The Resource was successfully updated.
           headers:
             ETag:
               description: |-
@@ -5728,7 +4652,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID or
-            the policy entry was not found in the context of the authenticated user.
+            the policy entry was not found in the context of the authenticated
+            user.
           content:
             application/json:
               schema:
@@ -5737,8 +4662,6 @@
           $ref: '#/components/responses/PreconditionFailed'
         '413':
           $ref: '#/components/responses/EntityTooLarge'
-        '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
       requestBody:
         content:
           application/json:
@@ -5749,8 +4672,9 @@
     delete:
       summary: Delete one specific Resource for a specific Label of a specific policy
       description: |-
-        Deletes the resource with path `resourcePath` from the policy identified by the the `policyId` path parameter,
-        and by the `label` path parameter.
+        Deletes the resource with path `resourcePath` from the policy
+        identified by the the `policyId` path parameter, and by the
+        `label` path parameter.
       tags:
         - Policies
       parameters:
@@ -5792,7 +4716,8 @@
         '404':
           description: |-
             The request could not be completed. The policy with the given ID,
-            the policy entry or the Resource was not found in the context of the authenticated user.
+            the policy entry or the Resource was not found in the context of the
+            authenticated user.
           content:
             application/json:
               schema:
@@ -5832,7 +4757,8 @@
           notation instead of *eq* for filtering.
 
         * The resource supports sorting and paging. If paging is not explicitly
-          specified by means of the `size` option, a default count of `25` documents is returned.
+          specified by means of the `size` option, a default count of `25`
+          documents is returned.
 
         * The internal search index is "eventually consistent".  Consistency with the latest
           thing updates should recover within milliseconds.
@@ -5923,11 +4849,13 @@
         This resource can be used to count things.
 
         The query parameter `filter` is not mandatory. If it is not set there is
-        returned the total amount of things which the logged in user is allowed to read.
+        returned the total amount of things which the logged in user is allowed
+        to read.
 
-        To search for nested properties, we use JSON Pointer notation (RFC-6901).
-        See the following example how to search for the sub property `location` of the parent property `attributes`
-        with a forward slash as  separator:
+        To search for nested properties, we use JSON Pointer notation
+        (RFC-6901). See the following example how to search for the sub property
+        `location` of the parent property `attributes` with a forward slash as
+        separator:
 
         ```eq(attributes/location,"kitchen")```
       parameters:
@@ -5945,7 +4873,8 @@
                 type: integer
         '400':
           description: |-
-            The request could not be completed. A provided parameter is in a wrong format.
+            The request could not be completed. A provided parameter is in a
+            wrong format.
           content:
             application/json:
               schema:
@@ -6066,7 +4995,11 @@
               schema:
                 $ref: '#/components/schemas/AdvancedError'
         '415':
-          $ref: '#/components/responses/MediaTypeNotSupported'
+          description: The `Content-Type` of the request was not supported.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/AdvancedError'
       requestBody:
         content:
           application/vnd.eclipse.ditto+json:
@@ -6130,9 +5063,10 @@
               serialno: '42'
               model: Speaking coffee machine
       description: |-
-        JSON object of all attributes to be modified at once. Consider that the value has to be a JSON object or `null`.
+        JSON object of all attributes to be modified at once. Consider that the
+        value has to be a JSON object or `null`.
 
-        ### Examples:
+        Examples:
          * an empty object: `{}` - would just delete all old attributes
          * a simple object: `{ "key": "value"}` - We strongly recommend to use a restricted set of characters for the key (identifier), as the key might be needed for the (URL) path later.<br> Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
          * a nested object as shown in the example value
@@ -6144,10 +5078,10 @@
             $ref: '#/components/schemas/Definition'
           example: '"example:test:definition"'
       description: |-
-        JSON string of the definition to be modified. Consider that the value has to be a JSON string or `null`,
-        examples:
+        JSON string of the definition to be modified. Consider that the
+        value has to be a JSON string or `null`, examples:
 
-          * an string: `"value"` - Currently the definition should follow the pattern: [_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]
+          * an string: `{ ""value"}` -}. Currently the definition should follow the pattern: [_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]:[_a-zA-Z0-9\-]
           * an empty string: `""`
     Payload:
       content:
@@ -6164,7 +5098,8 @@
             type: string
             example: ''
       description: |-
-        Payload of the message with max size of 250 kB. It can be any HTTP supported content, including binary content.
+        Payload of the message with max size of 250 kB. It can be any HTTP
+        supported content, including binary content.
     Value:
       content:
         application/json:
@@ -6172,36 +5107,34 @@
             type: object
             example: {}
       description: |-
-        JSON representation of the value to be created/updated. This may be as well `null` or an empty object.
+        JSON representation of the value to be created/updated. This may be as
+        well `null` or an empty object.
 
-        Consider that the value has to be a JSON value.
+        Consider that the value has to be a JSON value, examples:
 
-        Examples:
           * for a number, the JSON value is the number: `42`
+
           * for a string, the JSON value must be quoted: `"aString"`
+
           * for a boolean, the JSON value is the boolean: `true`
+
           * for an object, the JSON value is the object: `{ "key": "value"}` -} We strongly recommend to use a restricted set of characters for the key (identifier). Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
+
           * for an list, the JSON value is the list: `[ 1,2,3 ]`
       required: true
-    PatchValue:
+    ActivateTokenIntegration:
       content:
-        application/merge-patch+json:
+        application/json:
           schema:
-            type: object
-            example: {}
-      description: |-
-        JSON representation of the value to be patched. This may be as well an empty object.
-
-        Consider that the value has to be a JSON value.
-
-        Examples:
-          * for a number, the JSON value is the number: `42`
-          * for a string, the JSON value must be quoted: `"aString"`
-          * for a boolean, the JSON value is the boolean: `true`
-          * for an object, the JSON value is the object: `{ "key": "value"}` -} We strongly recommend to use a restricted set of characters for the key (identifier). Currently these identifiers should follow the pattern: [_a-zA-Z][_a-zA-Z0-9\-]*
-          * for an list, the JSON value is the list: `[ 1,2,3 ]`
-          * special value `null` will delete the referenced key. For further documentation see [RFC 7396](https://tools.ietf.org/html/rfc7396).
-      required: true
+            properties:
+              announcement:
+                $ref: '#/components/schemas/SubjectAnnouncement'
+          example:
+            announcement:
+              beforeExpiry: 5m
+              whenDeleted: true
+      description: Optional request payload for `activateTokenIntegration` policy action.
+      required: false
   responses:
     EntityTooLarge:
       description: The created or modified entity is larger than the accepted limit of 100 kB.
@@ -6221,12 +5154,6 @@
         application/json:
           schema:
             $ref: '#/components/schemas/AdvancedError'
-    MediaTypeNotSupported:
-      description: The Media-Type send in the `Content-Type` header is not supported for this resource.
-      content:
-        application/json:
-          schema:
-            $ref: '#/components/schemas/AdvancedError'
     NotModified:
       description: |-
         The (sub-)resource has not been modified. This happens when you specified a If-None-Match header which
@@ -6278,7 +5205,8 @@
       name: fields
       in: query
       description: |-
-        Contains a comma-separated list of fields from the attributes to be included in the returned JSON.
+        Contains a comma-separated list of fields from the attributes to be
+        included in the returned JSON.
 
         #### Selectable fields
 
@@ -6343,7 +5271,8 @@
       name: fields
       in: query
       description: |-
-        Contains a comma-separated list of fields from the selected feature to be included in the returned JSON.
+        Contains a comma-separated list of fields from the selected feature to be
+        included in the returned JSON.
 
         #### Selectable fields
 
@@ -6381,7 +5310,8 @@
       name: fields
       in: query
       description: |-
-        Contains a comma-separated list of fields from one or more features to be included in the returned JSON.
+        Contains a comma-separated list of fields from one or more features to be
+        included in the returned JSON.
 
         #### Selectable fields
 
@@ -6484,7 +5414,9 @@
       name: namespaces
       in: query
       description: |-
-        A comma-separated list of namespaces. This list is used to limit the query to things in the given namespaces only.
+        A comma-separated list of namespaces. This list is used to limit the query to things in the given namespaces
+        only.
+
 
         #### Examples:
 
@@ -6509,7 +5441,8 @@
       name: fields
       in: query
       description: |-
-        Contains a comma-separated list of fields from the properties to be included in the returned JSON.
+        Contains a comma-separated list of fields from the properties to be
+        included in the returned JSON.
 
         #### Selectable fields
 
@@ -6671,8 +5604,8 @@
       name: fields
       in: query
       description: |-
-        Contains a comma-separated list of fields to be included in the returned JSON.
-        Attributes can be selected in the same manner.
+        Contains a comma-separated list of fields to be included in the returned
+        JSON. attributes can be selected in the same manner.
 
         #### Selectable fields
 
@@ -6922,24 +5855,6 @@
       required:
         - thingId
         - policyId
-    PatchThing:
-      type: object
-      properties:
-        thingId:
-          type: string
-          description: Unique identifier representing the thing
-        policyId:
-          type: string
-          description: 'The ID of the policy which controls the access to this thing. policies are managed by resource `/policies/{policyId}`'
-        definition:
-          $ref: '#/components/schemas/Definition'
-        attributes:
-          $ref: '#/components/schemas/Attributes'
-        features:
-          $ref: '#/components/schemas/Features'
-      required:
-        - thingId
-        - policyId
     NewPolicy:
       type: object
       description: Policy consisting of policy entries
@@ -7000,9 +5915,14 @@
           type: string
           description: The optional expiry timestamp (formatted in ISO-8601) indicates how long this subject should be considered active before it is automatically deleted from the Policy.
           format: date-time
+        announcement:
+          $ref: '#/components/schemas/SubjectAnnouncement'
       example:
         type: 'This is some description for this subject, adjust as needed.'
         expiry: '2020-12-07T11:36:40Z'
+        announcement:
+          beforeExpiry: 5m
+          whenDeleted: true
     Resources:
       type: object
       description: |-
@@ -7050,6 +5970,21 @@
       enum:
         - READ
         - WRITE
+    SubjectAnnouncement:
+      type: object
+      description: Settings for announcements to be made about the subject.
+      properties:
+        beforeExpiry:
+          type: string
+          description: |-
+            The duration before expiry when an announcement should be made.
+            Must be a positive integer followed by one of `h` (hour), `m` (minute) or `s` (second).
+        whenDeleted:
+          type: boolean
+          description: Whether an announcement should be made when this subject is deleted.
+      example:
+        beforeExpiry: 5m
+        whenDeleted: true
     Features:
       type: object
       description: |-
diff --git a/openapi/sources/api-2-index.yml b/openapi/sources/api-2-index.yml
index e865c4c..31b82e7 100644
--- a/openapi/sources/api-2-index.yml
+++ b/openapi/sources/api-2-index.yml
@@ -153,6 +153,8 @@
       $ref: "./requests/payload.yml"
     Value:
       $ref: "./requests/value.yml"
+    ActivateTokenIntegration:
+      $ref: "./requests/policies/actions/activateTokenIntegration.yml"
 
   responses:
     EntityTooLarge:
@@ -267,6 +269,8 @@
       $ref: "./schemas/policies/resourceEntry.yml"
     Permission:
       $ref: "./schemas/policies/permission.yml"
+    SubjectAnnouncement:
+      $ref: "./schemas/policies/subjectAnnouncement.yml"
     Features:
       $ref: "./schemas/features/features.yml"
     WhoAmI:
diff --git a/openapi/sources/paths/policies/activateTokenIntegration.yml b/openapi/sources/paths/policies/activateTokenIntegration.yml
index ffe1c5b..88e0fa3 100644
--- a/openapi/sources/paths/policies/activateTokenIntegration.yml
+++ b/openapi/sources/paths/policies/activateTokenIntegration.yml
@@ -40,3 +40,5 @@
         The request could not be completed because no policy entry matched the following conditions:
         * containing a a subject ID matching the JWT's authenticated subject
         * containing a `READ` permission granted to a `thing:/` resource path
+  requestBody:
+    $ref: '../../requests/policies/actions/activateTokenIntegration.yml'
diff --git a/openapi/sources/paths/policies/activateTokenIntegrationForEntry.yml b/openapi/sources/paths/policies/activateTokenIntegrationForEntry.yml
index e08c162..3fa2187 100644
--- a/openapi/sources/paths/policies/activateTokenIntegrationForEntry.yml
+++ b/openapi/sources/paths/policies/activateTokenIntegrationForEntry.yml
@@ -41,3 +41,5 @@
         The request could not be completed because this policy entry did not match the following conditions:
         * containing a a subject ID matching the JWT's authenticated subject
         * containing a `READ` permission granted to a `thing:/` resource path
+  requestBody:
+    $ref: '../../requests/policies/actions/activateTokenIntegration.yml'
diff --git a/openapi/sources/requests/policies/actions/activateTokenIntegration.yml b/openapi/sources/requests/policies/actions/activateTokenIntegration.yml
new file mode 100644
index 0000000..0e3340d
--- /dev/null
+++ b/openapi/sources/requests/policies/actions/activateTokenIntegration.yml
@@ -0,0 +1,22 @@
+# Copyright (c) 2021 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# http://www.eclipse.org/legal/epl-2.0
+#
+# SPDX-License-Identifier: EPL-2.0
+content:
+  application/json:
+    schema:
+      properties:
+        announcement:
+          $ref: '../../../schemas/policies/subjectAnnouncement.yml'
+    example:
+      announcement:
+        beforeExpiry: "5m"
+        whenDeleted: true
+description: Optional request payload for `activateTokenIntegration` policy action.
+required: false
\ No newline at end of file
diff --git a/openapi/sources/schemas/policies/subjectAnnouncement.yml b/openapi/sources/schemas/policies/subjectAnnouncement.yml
new file mode 100644
index 0000000..0552768
--- /dev/null
+++ b/openapi/sources/schemas/policies/subjectAnnouncement.yml
@@ -0,0 +1,24 @@
+# Copyright (c) 2021 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# http://www.eclipse.org/legal/epl-2.0
+#
+# SPDX-License-Identifier: EPL-2.0
+type: object
+description: Settings for announcements to be made about the subject.
+properties:
+  beforeExpiry:
+    type: string
+    description: |-
+      The duration before expiry when an announcement should be made.
+      Must be a positive integer followed by one of `h` (hour), `m` (minute) or `s` (second).
+  whenDeleted:
+    type: boolean
+    description: Whether an announcement should be made when this subject is deleted.
+example:
+  beforeExpiry: "5m"
+  whenDeleted: true
\ No newline at end of file
diff --git a/openapi/sources/schemas/policies/subjectEntry.yml b/openapi/sources/schemas/policies/subjectEntry.yml
index e825680..bd9b310 100644
--- a/openapi/sources/schemas/policies/subjectEntry.yml
+++ b/openapi/sources/schemas/policies/subjectEntry.yml
@@ -20,6 +20,11 @@
     type: string
     description: The optional expiry timestamp (formatted in ISO-8601) indicates how long this subject should be considered active before it is automatically deleted from the Policy.
     format: date-time
+  announcement:
+    $ref: 'subjectAnnouncement.yml'
 example:
   type: "This is some description for this subject, adjust as needed."
-  expiry: "2020-12-07T11:36:40Z"
\ No newline at end of file
+  expiry: "2020-12-07T11:36:40Z"
+  announcement:
+    beforeExpiry: "5m"
+    whenDeleted: true
diff --git a/presentations.html b/presentations.html
index 780e8d0..91af4af 100644
--- a/presentations.html
+++ b/presentations.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1770,7 +1788,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-bindings.html b/protocol-bindings.html
index b7c9af2..1fc1eb7 100644
--- a/protocol-bindings.html
+++ b/protocol-bindings.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1750,7 +1768,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-createattribute.html b/protocol-examples-createattribute.html
index 3a424ab..60262a3 100644
--- a/protocol-examples-createattribute.html
+++ b/protocol-examples-createattribute.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1752,7 +1770,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-createattributes.html b/protocol-examples-createattributes.html
index aa6e90b..5388be3 100644
--- a/protocol-examples-createattributes.html
+++ b/protocol-examples-createattributes.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1757,7 +1775,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-createdefinition.html b/protocol-examples-createdefinition.html
index 51fa4d6..162a6c9 100644
--- a/protocol-examples-createdefinition.html
+++ b/protocol-examples-createdefinition.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1750,7 +1768,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-createdesiredproperties.html b/protocol-examples-createdesiredproperties.html
index 2d8c7bd..39093de 100644
--- a/protocol-examples-createdesiredproperties.html
+++ b/protocol-examples-createdesiredproperties.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1755,7 +1773,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-createdesiredproperty.html b/protocol-examples-createdesiredproperty.html
index 94f9d92..3b0556d 100644
--- a/protocol-examples-createdesiredproperty.html
+++ b/protocol-examples-createdesiredproperty.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         &copy;2021 Eclipse Ditto.
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
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+        j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;
+        f.parentNode.insertBefore(j,f);
+    })(window,document,'script','dataLayer','GTM-5WLCZXC');
+</script>
+
+
+
+<body>
+<!-- Navigation -->
+<nav class="navbar navbar-inverse navbar-fixed-top">
+    <div class="container topnavlinks">
+        <div class="navbar-header">
+            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+                <span class="sr-only">Toggle navigation</span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+            </button>
+            <a class="navbar-ditto-home" href="index.html">&nbsp;<img src="images/ditto_allwhite_symbolonly.svg" class="ditto-navbar-symbol" alt="Home"> <img src="images/ditto_allwhite_textonly.svg" class="ditto-navbar-symbol-text" alt="Ditto"></a>
+        </div>
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+            <ul class="nav navbar-nav navbar-right">
+                <!-- toggle sidebar button -->
+                <!--<li><a id="tg-sb-link" href="#"><i id="tg-sb-icon" class="fa fa-toggle-on"></i> Nav</a></li>-->
+                <!-- entries without drop-downs appear here -->
+
+
+
+
+                
+                
+                
+                <li><a href="blog.html">Blog</a></li>
+                
+                
+                
+                <li><a href="intro-overview.html">Documentation</a></li>
+                
+                
+                
+                <li><a href="http-api-doc.html">HTTP API</a></li>
+                
+                
+                
+                <li><a href="sandbox.html">Sandbox</a></li>
+                
+                
+                
+                <li><a href="https://github.com/eclipse/ditto" target="_blank">GitHub</a></li>
+                
+                
+                
+                <li><a href="https://github.com/eclipse/ditto-examples" target="_blank">GitHub examples</a></li>
+                
+                
+                
+                <!-- entries with drop-downs appear here -->
+                <!-- conditional logic to control which topnav appears for the audience defined in the configuration file.-->
+                
+                
+                <li class="dropdown">
+                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Links<b class="caret"></b></a>
+                    <ul class="dropdown-menu">
+                        
+                        
+                        <li><a href="https://projects.eclipse.org/projects/iot.ditto" target="_blank">Eclipse Ditto Project</a></li>
+                        
+                        
+                        
+                        <li><a href="https://www.eclipse.org/forums/index.php/f/364/" target="_blank">Forum</a></li>
+                        
+                        
+                        
+                        <li><a href="https://ci.eclipse.org/ditto/" target="_blank">Jenkins</a></li>
+                        
+                        
+                        
+                        <li><a href="https://dev.eclipse.org/mhonarc/lists/ditto-dev/" target="_blank">Mailing list archives</a></li>
+                        
+                        
+                        
+                        <li><a href="https://gitter.im/eclipse/ditto" target="_blank">Gitter.im chat</a></li>
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+                
+                <!--comment out this block if you want to hide search-->
+                <li>
+                    <!--start search-->
+                    <div id="search-demo-container">
+                        <input type="text" id="search-input" placeholder="search...">
+                        <ul id="results-container"></ul>
+                    </div>
+                    <script src="//cdnjs.cloudflare.com/ajax/libs/simple-jekyll-search/0.0.9/jekyll-search.js" type="text/javascript"></script>
+                    <script type="text/javascript">
+                            SimpleJekyllSearch.init({
+                                searchInput: document.getElementById('search-input'),
+                                resultsContainer: document.getElementById('results-container'),
+                                dataSource: 'search.json',
+                                searchResultTemplate: '<li><a href="{url}" title="SubjectDeletionAnnouncement">{title}</a></li>',
+                                noResultsText: 'No results found.',
+                                limit: 10,
+                                fuzzy: true,
+                    })
+                    </script>
+                    <!--end search-->
+                </li>
+            </ul>
+        </div>
+    </div>
+    <!-- /.container -->
+</nav>
+
+<!-- Page Content -->
+<div class="container">
+  <div id="main">
+    <!-- Content Row -->
+    <div class="row">
+        
+        
+            <!-- Sidebar Column -->
+            <div class="col-md-3" id="tg-sb-sidebar">
+                
+
+<ul id="mysidebar" class="nav">
+  <li class="sidebarTitle">
+    <label for="docVersion">Eclipse Ditto  version:</label>
+    <div class="select-wrapper">
+      <select id="docVersion" name="docVersion">
+        
+        <option value="">development</option>
+        
+        <option value="1.0">1.0</option>
+        
+        <option value="1.1">1.1</option>
+        
+        <option value="1.2">1.2</option>
+        
+        <option value="1.3">1.3</option>
+        
+        <option value="1.4">1.4</option>
+        
+        <option value="1.5">1.5</option>
+        
+      </select>
+    </div>
+    <div id="dev-warning">
+      <div markdown="span" class="alert alert-warning" role="alert" style="font-size:0.6em"><i class="fa fa-warning"></i> <b>Important:</b> This documentation reflects the latest 'development'. You might want to choose a released version.</div>
+    </div>
+  </li>
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Introduction</a>
+          <ul>
+              
+              
+              
+              <li><a href="intro-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="intro-digitaltwins.html">Digital twins</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="intro-hello-world.html">Hello world</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Release Notes</a>
+          <ul>
+              
+              
+              
+              <li><a href="release_notes_next.html">2.0.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_151.html">1.5.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_150.html">1.5.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_140.html">1.4.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_130.html">1.3.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_121.html">1.2.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_120.html">1.2.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_115.html">1.1.5</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_113.html">1.1.3</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_112.html">1.1.2</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_111.html">1.1.1</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_110.html">1.1.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_100.html">1.0.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_090.html">0.9.0</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="release_notes_080.html">0.8.0</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Milestone releases</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="release_notes_100-M2.html">1.0.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_100-M1a.html">1.0.0-M1a</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_090-M2.html">0.9.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_090-M1.html">0.9.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M3.html">0.8.0-M3</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M2.html">0.8.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_080-M1.html">0.8.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_030-M2.html">0.3.0-M2</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_030-M1.html">0.3.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_020-M1.html">0.2.0-M1</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_010-M3.html">0.1.0-M3</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="release_notes_010-M1.html">0.1.0-M1</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Installation</a>
+          <ul>
+              
+              
+              
+              <li><a href="installation-building.html">Building Ditto</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="installation-running.html">Running Ditto</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="installation-operating.html">Operating Ditto</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Basic concepts</a>
+          <ul>
+              
+              
+              
+              <li><a href="basic-overview.html">Overview</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Model entities</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="basic-thing.html">Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-acl.html">Access Control List (ACL)</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-feature.html">Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-policy.html">Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-namespaces-and-names.html">Namespaces and Names</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-metadata.html">Thing Metadata</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-errors.html">Errors</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-auth.html">Authentication and Authorization</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-messages.html">Messages</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-signals.html">Signals</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Signal types</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="basic-signals-command.html">Command</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-commandresponse.html">Command response</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-errorresponse.html">Error response</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-event.html">Event</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-apis.html">APIs</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-connections.html">Connections</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-placeholders.html">Placeholders</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-changenotifications.html">Change notifications</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-rql.html">RQL expressions</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-enrichment.html">Signal enrichment</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-search.html">Search</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="basic-acknowledgements.html">Acknowledgements / QoS</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Advanced concepts</a>
+          <ul>
+              
+              
+              
+              <li><a href="advanced-data-by-pass.html">Data By-Pass</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Architecture</a>
+          <ul>
+              
+              
+              
+              <li><a href="architecture-overview.html">Overview</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>Services</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="architecture-services-policies.html">Policies</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-things.html">Things</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-things-search.html">Things-Search</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-connectivity.html">Connectivity</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-concierge.html">Concierge</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="architecture-services-gateway.html">Gateway</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>HTTP API</a>
+          <ul>
+              
+              
+              
+              <li><a href="httpapi-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-concepts.html">Concepts</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-search.html">Search</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-messages.html">Messages</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-protocol-bindings-websocket.html">WebSocket protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-protocol-bindings-cloudevents.html">Cloud Events HTTP protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="httpapi-sse.html">Server sent events</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Connectivity API</a>
+          <ul>
+              
+              
+              
+              <li><a href="connectivity-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-manage-connections.html">Manage connections</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-amqp091.html">AMQP 0.9.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-amqp10.html">AMQP 1.0 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-mqtt.html">MQTT 3.1.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-mqtt5.html">MQTT 5 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-http.html">HTTP 1.1 protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-protocol-bindings-kafka2.html">Kafka 2.x protocol binding</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-mapping.html">Payload mapping</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-header-mapping.html">Header mapping</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="connectivity-tls-certificates.html">TLS certificates</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Client SDK</a>
+          <ul>
+              
+              
+              
+              <li><a href="client-sdk-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="client-sdk-java.html">Java</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="client-sdk-javascript.html">JavaScript</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+        <li class="subfolders">
+          <a href="#"><span></span>Ditto Protocol</a>
+          <ul>
+              
+              
+              
+              <li><a href="protocol-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-twinlive.html">Twin/live channel</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification.html">Specification</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-topic.html">Protocol topic</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-things.html">Things group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-merge.html">Merge</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-acks.html">Acknowledgements</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-errors.html">Errors</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ search/messages</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-search.html">Search</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-messages.html">Messages</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-policies.html">Policies group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-bindings.html">Bindings</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples.html">Examples</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-creatething.html">Create a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletething.html">Delete a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifything.html">Modify a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievething.html">Retrieve a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethings.html">Retrieve multiple Things</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifypolicyid.html">Modify the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattributes.html">Create Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattributes.html">Delete Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattributes.html">Modify Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattributes.html">Retrieve Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattribute.html">Create a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattribute.html">Delete a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattribute.html">Modify a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattribute.html">Retrieve a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createthingdefinition.html">Create a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletethingdefinition.html">Delete a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifythingdefinition.html">Modify a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethingdefinition.html">Retrieve a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeatures.html">Create Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeatures.html">Delete Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeatures.html">Modify Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeatures.html">Retrieve Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeature.html">Create a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeature.html">Delete a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeature.html">Modify a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeature.html">Retrieve a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdefinition.html">Create Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedefinition.html">Delete Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydefinition.html">Modify Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedefinition.html">Retrieve Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperties.html">Create Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperties.html">Delete Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperties.html">Modify Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperties.html">Retrieve Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperty.html">Create a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperty.html">Delete a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperty.html">Modify a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperty.html">Retrieve a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperties.html">Create desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperties.html">Delete desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperties.html">Modify desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperties.html">Retrieve desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperty.html">Create a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperty.html">Delete a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperty.html">Modify a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperty.html">Retrieve a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things merge examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergething.html">Merge a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergepolicyid.html">Merge the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattributes.html">Merge Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattribute.html">Merge a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergethingdefinition.html">Merge a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeatures.html">Merge Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeature.html">Merge a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeaturedefinition.html">Merge Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperties.html">Merge Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperty.html">Merge a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperties.html">Merge desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperty.html">Merge a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Policies examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicy.html">Create a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicy.html">Delete a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicy.html">Modify a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicy.html">Retrieve a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentries.html">Modify entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentries.html">Retrieve entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicyentry.html">Create a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicyentry.html">Delete a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentry.html">Modify a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentry.html">Retrieve a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubjects.html">Modify subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubjects.html">Retrieve subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createsubject.html">Create a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletesubject.html">Delete a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubject.html">Modify a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubject.html">Retrieve a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresources.html">Modify resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresources.html">Retrieve resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createresource.html">Create a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deleteresource.html">Delete a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresource.html">Modify a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresource.html">Retrieve a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li class="active"><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples-search.html">→ Search examples</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+    <li><a href="sandbox.html">Sandbox</a></li>
+    
+  
+  
+  
+    
+    <li><a href="presentations.html">Presentations</a></li>
+    
+  
+  
+  
+    
+    <li><a href="glossary.html">Glossary</a></li>
+    
+  
+  
+  
+    
+    <li><a href="feedback.html">Feedback</a></li>
+    
+  
+  
+  
+    
+         <p class="external">
+             <a href="#" id="collapseAll">Collapse All</a> | <a href="#" id="expandAll">Expand All</a>
+         </p>
+    
+</ul>
+
+<!-- this highlights the active parent class in the sidebar. this is critical so that the parent expands when you're viewing a page. This must appear below the sidebar code above. Otherwise, if placed inside customscripts.js, the script runs before the sidebar code runs and the class never gets inserted.-->
+<script>$("li.active").parents('li').toggleClass("active");
+</script>
+
+            </div>
+            
+        
+
+        <!-- Content Column -->
+        <div class="col-md-9" id="tg-sb-content">
+            <div class="post-header">
+   <h1 class="post-title-main">SubjectDeletionAnnouncement</h1>
+</div>
+
+
+
+<div class="post-content">
+
+   
+
+    
+    
+<!-- this handles the automatic toc. use ## for subheads to auto-generate the on-page minitoc. if you use html tags, you must supply an ID for the heading element in order for it to appear in the minitoc. -->
+<script>
+$( document ).ready(function() {
+  // Handler for .ready() called.
+
+$('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3,h4' });
+
+/* this offset helps account for the space taken up by the floating toolbar. */
+$('#toc').on('click', 'a', function() {
+  var target = $(this.getAttribute('href'))
+    , scroll_target = target.offset().top
+
+  $(window).scrollTop(scroll_target - 10);
+  return false
+})
+  
+});
+</script>
+
+<div id="toc"></div>
+
+    
+
+
+    
+
+
+    
+
+  
+<h2 id="subjectdeletionannouncement">SubjectDeletionAnnouncement</h2>
+
+<div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
+  </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/announcements/subjectDeletion"</span><span class="p">,</span><span class="w">
+  </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
+    </span><span class="s2">"correlation-id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"2cef2741-a503-4e54-ac19-ee7fc8504c92"</span><span class="p">,</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
+  </span><span class="p">},</span><span class="w">
+  </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
+  </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
+    </span><span class="s2">"deleteAt"</span><span class="p">:</span><span class="w"> </span><span class="s2">"2021-03-03T16:05:55Z"</span><span class="p">,</span><span class="w">
+    </span><span class="s2">"subjectIds"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="w">
+      </span><span class="s2">"integration:some-label:my-aud-1"</span><span class="p">,</span><span class="w">
+      </span><span class="s2">"integration:some-label:my-aud-2"</span><span class="w">
+    </span><span class="p">]</span><span class="w">
+  </span><span class="p">}</span><span class="w">
+</span><span class="p">}</span><span class="w">
+</span></code></pre></div></div>
+
+
+
+    <div class="tags">
+        
+    </div>
+
+</div>
+
+<hr class="shaded"/>
+
+<footer>
+            <div class="row">
+                <div class="col-lg-12 footer">
+                    <div class="logo">
+                        <a href="https://eclipse.org"><img src="images/eclipse_foundation_logo.svg" alt="Eclipse logo"/></a>
+                    </div>
+                    <p class="notice">
+                        &copy;2021 Eclipse Ditto.
+                         Site last generated: Mar 5, 2021 <br />
+                    </p>
+                    <div class="quickLinks">
+                        <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
+                            &gt; Privacy Policy
+                        </a>
+                        <a href="https://www.eclipse.org/legal/termsofuse.php" target="_blank">
+                            &gt; Terms of Use
+                        </a>
+                        <a href="https://www.eclipse.org/legal/copyright.php" target="_blank">
+                            &gt; Copyright Agent
+                        </a>
+                        <a href="https://www.eclipse.org/legal" target="_blank">
+                            &gt; Legal
+                        </a>
+                        <a href="https://www.eclipse.org/legal/epl-2.0/" target="_blank">
+                            &gt; License
+                        </a>
+                        <a href="https://eclipse.org/security" target="_blank">
+                            &gt; Report a Vulnerability
+                        </a>
+                    </div>
+                </div>
+            </div>
+</footer>
+
+
+        </div>
+    <!-- /.row -->
+</div>
+<!-- /.container -->
+</div>
+<!-- /#main -->
+    </div>
+
+</body>
+</html>
diff --git a/protocol-examples-policies-createpolicy.html b/protocol-examples-policies-createpolicy.html
index 9b1d643..db4748e 100644
--- a/protocol-examples-policies-createpolicy.html
+++ b/protocol-examples-policies-createpolicy.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/create"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1734,7 +1752,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/create"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1780,7 +1798,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-createpolicyentry.html b/protocol-examples-policies-createpolicyentry.html
index 2205816..8c5ef0f 100644
--- a/protocol-examples-policies-createpolicyentry.html
+++ b/protocol-examples-policies-createpolicyentry.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1731,7 +1749,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1756,7 +1774,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-createresource.html b/protocol-examples-policies-createresource.html
index dc28694..4537eab 100644
--- a/protocol-examples-policies-createresource.html
+++ b/protocol-examples-policies-createresource.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1720,7 +1738,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1745,7 +1763,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-createsubject.html b/protocol-examples-policies-createsubject.html
index 8ed40c3..78ff41a 100644
--- a/protocol-examples-policies-createsubject.html
+++ b/protocol-examples-policies-createsubject.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects/google:the_subjectid"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1716,7 +1734,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects/google:the_subjectid"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1741,7 +1759,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-deletepolicy.html b/protocol-examples-policies-deletepolicy.html
index 97a183d..c7ba9e5 100644
--- a/protocol-examples-policies-deletepolicy.html
+++ b/protocol-examples-policies-deletepolicy.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1738,7 +1756,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-deletepolicyentry.html b/protocol-examples-policies-deletepolicyentry.html
index 6c15001..68d19d5 100644
--- a/protocol-examples-policies-deletepolicyentry.html
+++ b/protocol-examples-policies-deletepolicyentry.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1738,7 +1756,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-deleteresource.html b/protocol-examples-policies-deleteresource.html
index c3d22b4..c6a54f3 100644
--- a/protocol-examples-policies-deleteresource.html
+++ b/protocol-examples-policies-deleteresource.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/delete"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1738,7 +1756,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-deletesubject.html b/protocol-examples-policies-deletesubject.html
index e69bfca..b5cb8eb 100644
--- a/protocol-examples-policies-deletesubject.html
+++ b/protocol-examples-policies-deletesubject.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-errorresponses.html b/protocol-examples-policies-errorresponses.html
index a67ab91..8919d4c 100644
--- a/protocol-examples-policies-errorresponses.html
+++ b/protocol-examples-policies-errorresponses.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
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@@ -1901,7 +1919,7 @@
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@@ -1991,7 +2009,7 @@
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   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"unknown/unknown/policies/errors"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -2009,7 +2027,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"unknown/unknown/policies/errors"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -2027,7 +2045,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"unknown/unknown/policies/errors"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -2045,7 +2063,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"unknown/unknown/policies/errors"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -2076,7 +2094,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifypolicy.html b/protocol-examples-policies-modifypolicy.html
index e4c3ca4..8383574 100644
--- a/protocol-examples-policies-modifypolicy.html
+++ b/protocol-examples-policies-modifypolicy.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1734,7 +1752,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1759,7 +1777,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifypolicyentries.html b/protocol-examples-policies-modifypolicyentries.html
index fcc0464..68c1dca 100644
--- a/protocol-examples-policies-modifypolicyentries.html
+++ b/protocol-examples-policies-modifypolicyentries.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1753,7 +1771,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1778,7 +1796,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifypolicyentry.html b/protocol-examples-policies-modifypolicyentry.html
index 523eb89..6ede728 100644
--- a/protocol-examples-policies-modifypolicyentry.html
+++ b/protocol-examples-policies-modifypolicyentry.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1731,7 +1749,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1756,7 +1774,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifyresource.html b/protocol-examples-policies-modifyresource.html
index dd8f308..7886e3f 100644
--- a/protocol-examples-policies-modifyresource.html
+++ b/protocol-examples-policies-modifyresource.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1720,7 +1738,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1745,7 +1763,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifyresources.html b/protocol-examples-policies-modifyresources.html
index 171d15c..ce03eb6 100644
--- a/protocol-examples-policies-modifyresources.html
+++ b/protocol-examples-policies-modifyresources.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1723,7 +1741,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1748,7 +1766,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifysubject.html b/protocol-examples-policies-modifysubject.html
index a7af0f5..468ef52 100644
--- a/protocol-examples-policies-modifysubject.html
+++ b/protocol-examples-policies-modifysubject.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects/google:the_subjectid"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1716,7 +1734,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects/google:the_subjectid"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1741,7 +1759,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-modifysubjects.html b/protocol-examples-policies-modifysubjects.html
index 278f042..abe0852 100644
--- a/protocol-examples-policies-modifysubjects.html
+++ b/protocol-examples-policies-modifysubjects.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1719,7 +1737,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/modify"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"status"</span><span class="p">:</span><span class="w"> </span><span class="mi">204</span><span class="w">
@@ -1744,7 +1762,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrievepolicy.html b/protocol-examples-policies-retrievepolicy.html
index accfab4..67604ed 100644
--- a/protocol-examples-policies-retrievepolicy.html
+++ b/protocol-examples-policies-retrievepolicy.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1759,7 +1777,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrievepolicyentries.html b/protocol-examples-policies-retrievepolicyentries.html
index e511926..e11ff71 100644
--- a/protocol-examples-policies-retrievepolicyentries.html
+++ b/protocol-examples-policies-retrievepolicyentries.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1772,7 +1790,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrievepolicyentry.html b/protocol-examples-policies-retrievepolicyentry.html
index 8dc48b8..445663d 100644
--- a/protocol-examples-policies-retrievepolicyentry.html
+++ b/protocol-examples-policies-retrievepolicyentry.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"value"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
@@ -1754,7 +1772,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrieveresource.html b/protocol-examples-policies-retrieveresource.html
index 3381d05..a07f403 100644
--- a/protocol-examples-policies-retrieveresource.html
+++ b/protocol-examples-policies-retrieveresource.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
   </span><span class="p">},</span><span class="w">
   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/resources/thing:/the_resource_path"</span><span class="w">
 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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@@ -1745,7 +1763,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrieveresources.html b/protocol-examples-policies-retrieveresources.html
index d1d866c..ac00736 100644
--- a/protocol-examples-policies-retrieveresources.html
+++ b/protocol-examples-policies-retrieveresources.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
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@@ -1747,7 +1765,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrievesubject.html b/protocol-examples-policies-retrievesubject.html
index 63861d3..f16509d 100644
--- a/protocol-examples-policies-retrievesubject.html
+++ b/protocol-examples-policies-retrievesubject.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/entries/the_label/subjects/google:the_subjectid"</span><span class="p">,</span><span class="w">
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@@ -1741,7 +1759,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-policies-retrievesubjects.html b/protocol-examples-policies-retrievesubjects.html
index cecdd44..0ae8e8b 100644
--- a/protocol-examples-policies-retrievesubjects.html
+++ b/protocol-examples-policies-retrievesubjects.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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 </span><span class="p">}</span><span class="w">
@@ -1713,7 +1731,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
   </span><span class="s2">"topic"</span><span class="p">:</span><span class="w"> </span><span class="s2">"com.acme/the_policy_id/policies/commands/retrieve"</span><span class="p">,</span><span class="w">
   </span><span class="s2">"headers"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
-    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/vnd.eclipse.ditto+json"</span><span class="w">
+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="w">
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@@ -1743,7 +1761,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrieveattribute.html b/protocol-examples-retrieveattribute.html
index 2ca45ca..e7fb263 100644
--- a/protocol-examples-retrieveattribute.html
+++ b/protocol-examples-retrieveattribute.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1738,7 +1756,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrieveattributes.html b/protocol-examples-retrieveattributes.html
index 0eee672..5edca37 100644
--- a/protocol-examples-retrieveattributes.html
+++ b/protocol-examples-retrieveattributes.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1740,7 +1758,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievedefinition.html b/protocol-examples-retrievedefinition.html
index c9d5092..5e3d6bd 100644
--- a/protocol-examples-retrievedefinition.html
+++ b/protocol-examples-retrievedefinition.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1737,7 +1755,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievedesiredproperties.html b/protocol-examples-retrievedesiredproperties.html
index 62fb2f3..bf049b2 100644
--- a/protocol-examples-retrievedesiredproperties.html
+++ b/protocol-examples-retrievedesiredproperties.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1739,7 +1757,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievedesiredproperty.html b/protocol-examples-retrievedesiredproperty.html
index 50a7c30..a2f0770 100644
--- a/protocol-examples-retrievedesiredproperty.html
+++ b/protocol-examples-retrievedesiredproperty.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1734,7 +1752,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievefeature.html b/protocol-examples-retrievefeature.html
index 5d7515a..1c10790 100644
--- a/protocol-examples-retrievefeature.html
+++ b/protocol-examples-retrievefeature.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1748,7 +1766,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievefeatures.html b/protocol-examples-retrievefeatures.html
index 874607f..7f18c37 100644
--- a/protocol-examples-retrievefeatures.html
+++ b/protocol-examples-retrievefeatures.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1750,7 +1768,7 @@
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-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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index 865ae21..d1fc9e6 100644
--- a/protocol-examples-retrieveproperties.html
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
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+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
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@@ -1740,7 +1758,7 @@
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                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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diff --git a/protocol-examples-retrieveproperty.html b/protocol-examples-retrieveproperty.html
index 01bea05..b9137bd 100644
--- a/protocol-examples-retrieveproperty.html
+++ b/protocol-examples-retrieveproperty.html
@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1735,7 +1753,7 @@
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                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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diff --git a/protocol-examples-retrievething.html b/protocol-examples-retrievething.html
index fa414b0..657b8ec 100644
--- a/protocol-examples-retrievething.html
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@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1770,7 +1788,7 @@
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-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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diff --git a/protocol-examples-retrievethingdefinition.html b/protocol-examples-retrievethingdefinition.html
index 1837de0..06e8afb 100644
--- a/protocol-examples-retrievethingdefinition.html
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@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
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+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
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+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
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+                      
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@@ -1735,7 +1753,7 @@
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                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-retrievethings.html b/protocol-examples-retrievethings.html
index 6ac7ac0..9fb99ef 100644
--- a/protocol-examples-retrievethings.html
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@@ -260,7 +260,7 @@
               
               
               
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
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+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
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+                      
+                      
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                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
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                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples-search.html b/protocol-examples-search.html
index 6cd3601..6e40d28 100644
--- a/protocol-examples-search.html
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@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
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+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1702,7 +1720,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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@@ -1722,7 +1740,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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@@ -1737,7 +1755,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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@@ -1751,7 +1769,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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+    </span><span class="s2">"content-type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"application/json"</span><span class="p">,</span><span class="w">
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   </span><span class="s2">"path"</span><span class="p">:</span><span class="w"> </span><span class="s2">"/"</span><span class="p">,</span><span class="w">
@@ -1766,7 +1784,7 @@
 <div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
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@@ -1792,7 +1810,7 @@
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@@ -1806,7 +1824,7 @@
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@@ -1839,7 +1857,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-examples.html b/protocol-examples.html
index cce8a19..d90a94e 100644
--- a/protocol-examples.html
+++ b/protocol-examples.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1821,7 +1839,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-overview.html b/protocol-overview.html
index 18eb23e..b1859d8 100644
--- a/protocol-overview.html
+++ b/protocol-overview.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1710,7 +1728,7 @@
 Therefore, each Protocol message contains a <code class="highlighter-rouge">correlation-id</code> which can be used to associate related Protocol messages.</p>
 
 <p>The <a href="basic-signals.html#communication-pattern">Signals</a> chapter already describes the basic communication pattern of
-<strong>commands</strong>, <strong>responses</strong> and <strong>events</strong>.</p>
+<strong>commands</strong>, <strong>responses</strong>, <strong>events</strong> and <strong>announcements</strong>.</p>
 
 
     <div class="tags">
@@ -1737,7 +1755,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-acks.html b/protocol-specification-acks.html
index 908b667..5fdfc6e 100644
--- a/protocol-specification-acks.html
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@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1761,7 +1779,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-errors.html b/protocol-specification-errors.html
index 5ae05e1..bab3f01 100644
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@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1730,7 +1748,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-policies-announcement.html b/protocol-specification-policies-announcement.html
new file mode 100644
index 0000000..7ab0a11
--- /dev/null
+++ b/protocol-specification-policies-announcement.html
@@ -0,0 +1,1822 @@
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+              <li><a href="connectivity-protocol-bindings-http.html">HTTP 1.1 protocol binding</a></li>
+              
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+              
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+              
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+              <li><a href="connectivity-tls-certificates.html">TLS certificates</a></li>
+              
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+    
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+              
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+    
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+    
+        <li class="subfolders">
+          <a href="#"><span></span>Ditto Protocol</a>
+          <ul>
+              
+              
+              
+              <li><a href="protocol-overview.html">Overview</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-twinlive.html">Twin/live channel</a></li>
+              
+              
+              
+              
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+              
+              <li><a href="protocol-specification.html">Specification</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-topic.html">Protocol topic</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-things.html">Things group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-merge.html">Merge</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-acks.html">Acknowledgements</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-errors.html">Errors</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ search/messages</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-search.html">Search</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-things-messages.html">Messages</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-specification-policies.html">Policies group</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ commands/events</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-create-or-modify.html">Create/Modify</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-retrieve.html">Retrieve</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-specification-policies-delete.html">Delete</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li class="active"><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-bindings.html">Bindings</a></li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples.html">Examples</a></li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-creatething.html">Create a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletething.html">Delete a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifything.html">Modify a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievething.html">Retrieve a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethings.html">Retrieve multiple Things</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifypolicyid.html">Modify the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattributes.html">Create Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattributes.html">Delete Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattributes.html">Modify Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattributes.html">Retrieve Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createattribute.html">Create a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteattribute.html">Delete a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyattribute.html">Modify a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveattribute.html">Retrieve a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createthingdefinition.html">Create a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletethingdefinition.html">Delete a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifythingdefinition.html">Modify a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievethingdefinition.html">Retrieve a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeatures.html">Create Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeatures.html">Delete Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeatures.html">Modify Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeatures.html">Retrieve Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createfeature.html">Create a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletefeature.html">Delete a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyfeature.html">Modify a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievefeature.html">Retrieve a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdefinition.html">Create Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedefinition.html">Delete Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydefinition.html">Modify Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedefinition.html">Retrieve Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperties.html">Create Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperties.html">Delete Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperties.html">Modify Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperties.html">Retrieve Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createproperty.html">Create a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deleteproperty.html">Delete a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifyproperty.html">Modify a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrieveproperty.html">Retrieve a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperties.html">Create desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperties.html">Delete desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperties.html">Modify desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperties.html">Retrieve desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-createdesiredproperty.html">Create a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-deletedesiredproperty.html">Delete a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-modifydesiredproperty.html">Modify a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-retrievedesiredproperty.html">Retrieve a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Things merge examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergething.html">Merge a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergepolicyid.html">Merge the Policy ID of a Thing</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattributes.html">Merge Attributes</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeattribute.html">Merge a single Attribute</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergethingdefinition.html">Merge a Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeatures.html">Merge Features</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeature.html">Merge a single Feature</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergefeaturedefinition.html">Merge Feature Definition</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperties.html">Merge Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergeproperty.html">Merge a single Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperties.html">Merge desired Feature Properties</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-mergedesiredproperty.html">Merge a single desired Property</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              <li class="subfolders">
+                  <a href="#"><span></span>→ Policies examples</a>
+                  <ul>
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicy.html">Create a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicy.html">Delete a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicy.html">Modify a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicy.html">Retrieve a Policy</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentries.html">Modify entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentries.html">Retrieve entries</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createpolicyentry.html">Create a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletepolicyentry.html">Delete a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifypolicyentry.html">Modify a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievepolicyentry.html">Retrieve a single entry</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubjects.html">Modify subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubjects.html">Retrieve subjects</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createsubject.html">Create a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deletesubject.html">Delete a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifysubject.html">Modify a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrievesubject.html">Retrieve a single subject</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresources.html">Modify resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresources.html">Retrieve resources</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-createresource.html">Create a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-deleteresource.html">Delete a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-modifyresource.html">Modify a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-retrieveresource.html">Retrieve a single resource</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-errorresponses.html">Error responses</a></li>
+                      
+                      
+                      
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
+                  </ul>
+              </li>
+              
+              
+              
+              
+              
+              
+              <li><a href="protocol-examples-search.html">→ Search examples</a></li>
+              
+              
+              
+              
+          </ul>
+        </li>
+    
+  
+  
+  
+    
+    <li><a href="sandbox.html">Sandbox</a></li>
+    
+  
+  
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+    <li><a href="presentations.html">Presentations</a></li>
+    
+  
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+    
+    <li><a href="glossary.html">Glossary</a></li>
+    
+  
+  
+  
+    
+    <li><a href="feedback.html">Feedback</a></li>
+    
+  
+  
+  
+    
+         <p class="external">
+             <a href="#" id="collapseAll">Collapse All</a> | <a href="#" id="expandAll">Expand All</a>
+         </p>
+    
+</ul>
+
+<!-- this highlights the active parent class in the sidebar. this is critical so that the parent expands when you're viewing a page. This must appear below the sidebar code above. Otherwise, if placed inside customscripts.js, the script runs before the sidebar code runs and the class never gets inserted.-->
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+            </div>
+            
+        
+
+        <!-- Content Column -->
+        <div class="col-md-9" id="tg-sb-content">
+            <div class="post-header">
+   <h1 class="post-title-main">Policies - Announcement protocol specification</h1>
+</div>
+
+
+
+<div class="post-content">
+
+   
+
+    
+    
+<!-- this handles the automatic toc. use ## for subheads to auto-generate the on-page minitoc. if you use html tags, you must supply an ID for the heading element in order for it to appear in the minitoc. -->
+<script>
+$( document ).ready(function() {
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+
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+
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+})
+  
+});
+</script>
+
+<div id="toc"></div>
+
+    
+
+
+    
+
+
+    
+
+  <div class="alert alert-info" role="alert"><i class="fa fa-info-circle"></i> <b>Note:</b> The <em>topic path</em> of policy commands contains no <em>channel</em> element. 
+See the <a href="protocol-specification-policies.html#ditto-protocol-topic-structure-for-policies">specification</a> for details. </div>
+
+<h2 id="policy-announcements">Policy announcements</h2>
+
+<p>A Policy announcement contains the announcement name as last part of the topic:</p>
+<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>&lt;namespace&gt;/&lt;policyName&gt;/policies/announcements/&lt;announcement-name&gt;
+</code></pre></div></div>
+
+<p>The Ditto Protocol representation of an <code class="highlighter-rouge">Announcement</code> is specified as follows:</p>
+
+<script src="docson/widget.js" data-schema="../jsonschema/protocol-announcement.json"></script>
+
+<p>The following Policy announcements are currently supported:</p>
+
+<h3 id="subjectdeletionannouncement">SubjectDeletionAnnouncement</h3>
+
+<p>Announcement indicating that some subjects of a policy are deleted or about to be deleted soon.</p>
+
+<table>
+  <thead>
+    <tr>
+      <th>Field</th>
+      <th>Value</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td><strong>topic</strong></td>
+      <td><code class="highlighter-rouge">&lt;namespace&gt;/&lt;policyName&gt;/policies/announcements/subjectDeletion</code></td>
+    </tr>
+    <tr>
+      <td><strong>path</strong></td>
+      <td><code class="highlighter-rouge">/</code></td>
+    </tr>
+    <tr>
+      <td><strong>value</strong></td>
+      <td><code class="highlighter-rouge">JsonObject</code> containing<br />* <code class="highlighter-rouge">deleteAt</code> timestamp (as ISO-8601 <code class="highlighter-rouge">string</code>)<br />* <code class="highlighter-rouge">subjectIds</code> of policy <a href="basic-policy.html#subjects">subjects</a> which will soon be deleted (<code class="highlighter-rouge">JsonArray</code> of subjects <code class="highlighter-rouge">string</code>s)</td>
+    </tr>
+  </tbody>
+</table>
+
+<p><strong>Example:</strong> <a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></p>
+
+
+    <div class="tags">
+        
+        <b>Tags: </b>
+        
+        
+        
+        <a href="tag_protocol.html" class="btn btn-default navbar-btn cursorNorm" role="button">protocol</a>
+        
+        
+        
+    </div>
+
+</div>
+
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+                        &copy;2021 Eclipse Ditto.
+                         Site last generated: Mar 5, 2021 <br />
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+                            &gt; Terms of Use
+                        </a>
+                        <a href="https://www.eclipse.org/legal/copyright.php" target="_blank">
+                            &gt; Copyright Agent
+                        </a>
+                        <a href="https://www.eclipse.org/legal" target="_blank">
+                            &gt; Legal
+                        </a>
+                        <a href="https://www.eclipse.org/legal/epl-2.0/" target="_blank">
+                            &gt; License
+                        </a>
+                        <a href="https://eclipse.org/security" target="_blank">
+                            &gt; Report a Vulnerability
+                        </a>
+                    </div>
+                </div>
+            </div>
+</footer>
+
+
+        </div>
+    <!-- /.row -->
+</div>
+<!-- /.container -->
+</div>
+<!-- /#main -->
+    </div>
+
+</body>
+</html>
diff --git a/protocol-specification-policies-create-or-modify.html b/protocol-specification-policies-create-or-modify.html
index 68756cf..d900ade 100644
--- a/protocol-specification-policies-create-or-modify.html
+++ b/protocol-specification-policies-create-or-modify.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2339,7 +2357,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-policies-delete.html b/protocol-specification-policies-delete.html
index 1762118..23202d1 100644
--- a/protocol-specification-policies-delete.html
+++ b/protocol-specification-policies-delete.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2009,7 +2027,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-policies-retrieve.html b/protocol-specification-policies-retrieve.html
index c37ee05..817784a 100644
--- a/protocol-specification-policies-retrieve.html
+++ b/protocol-specification-policies-retrieve.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2232,7 +2250,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-policies.html b/protocol-specification-policies.html
index 8f87181..9fa3c5e 100644
--- a/protocol-specification-policies.html
+++ b/protocol-specification-policies.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1707,11 +1725,14 @@
   <li><code class="highlighter-rouge">namespace</code>: the namespace of the Policy.</li>
   <li><code class="highlighter-rouge">policyName</code>: the name of the Policy.</li>
   <li><code class="highlighter-rouge">group</code>: the group for addressing Policies is <code class="highlighter-rouge">policies</code>.</li>
-  <li><code class="highlighter-rouge">criterion</code>: the type of Protocol message addressing Policies is <code class="highlighter-rouge">commands</code>.</li>
-  <li><code class="highlighter-rouge">action</code>: the action executed on the Policy:
+  <li><code class="highlighter-rouge">criterion</code>: the type of Protocol messages addressing Policies is <code class="highlighter-rouge">commands</code>, 
+ for <a href="basic-signals-announcement.html">announcements</a> it is 
+<a href="protocol-specification-policies-announcement.html"><code class="highlighter-rouge">announcements</code></a>.</li>
+  <li><code class="highlighter-rouge">action</code>: the action executed on the Policy via <code class="highlighter-rouge">commands</code> criterion:
     <a href="protocol-specification-policies-create-or-modify.html"><code class="highlighter-rouge">create/modify</code></a>,
     <a href="protocol-specification-policies-retrieve.html"><code class="highlighter-rouge">retrieve</code></a> or
     <a href="protocol-specification-policies-delete.html"><code class="highlighter-rouge">delete</code></a>.</li>
+  <li><code class="highlighter-rouge">subject</code>: for <a href="basic-signals-announcement.html">announcements</a> the <code class="highlighter-rouge">subject</code> contains the announcement name</li>
 </ol>
 
 <div class="alert alert-info" role="alert"><i class="fa fa-info-circle"></i> <b>Note:</b> The topic path of the <em>policies</em> group does not contain a channel unlike the <em>things</em> group.</div>
@@ -1819,7 +1840,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-create-or-modify.html b/protocol-specification-things-create-or-modify.html
index 25b526a..abb9cf6 100644
--- a/protocol-specification-things-create-or-modify.html
+++ b/protocol-specification-things-create-or-modify.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -3438,7 +3456,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-delete.html b/protocol-specification-things-delete.html
index 67cc0f5..55045ab 100644
--- a/protocol-specification-things-delete.html
+++ b/protocol-specification-things-delete.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2827,7 +2845,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-merge.html b/protocol-specification-things-merge.html
index e32b663..28e13d5 100644
--- a/protocol-specification-things-merge.html
+++ b/protocol-specification-things-merge.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2985,7 +3003,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-messages.html b/protocol-specification-things-messages.html
index c8ac275..1cad885 100644
--- a/protocol-specification-things-messages.html
+++ b/protocol-specification-things-messages.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1981,7 +1999,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-retrieve.html b/protocol-specification-things-retrieve.html
index 097560d..4d814c0 100644
--- a/protocol-specification-things-retrieve.html
+++ b/protocol-specification-things-retrieve.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2674,7 +2692,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things-search.html b/protocol-specification-things-search.html
index 173c228..71b011c 100644
--- a/protocol-specification-things-search.html
+++ b/protocol-specification-things-search.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -2085,7 +2103,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-things.html b/protocol-specification-things.html
index 67cbe14..a2f75f9 100644
--- a/protocol-specification-things.html
+++ b/protocol-specification-things.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1791,7 +1809,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification-topic.html b/protocol-specification-topic.html
index 97b02f0..d225023 100644
--- a/protocol-specification-topic.html
+++ b/protocol-specification-topic.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1709,6 +1727,7 @@
   <li><code class="highlighter-rouge">org.eclipse.ditto/fancy-car-42/things/live/messages/hello.world</code></li>
   <li><code class="highlighter-rouge">org.eclipse.ditto/fancy-policy-1/policies/commands/create</code></li>
   <li><code class="highlighter-rouge">org.eclipse.ditto/fancy-policy-1/policies/commands/delete</code></li>
+  <li><code class="highlighter-rouge">org.eclipse.ditto/fancy-policy-1/policies/announcements/subjectDeletion</code></li>
 </ul>
 
 <h2 id="namespace">Namespace</h2>
@@ -1776,7 +1795,7 @@
 
 <h3 id="commands-criterion">Commands criterion</h3>
 
-<p><em>commands</em> are sent to Ditto in order to do something, either on the digital twin or on a real connected device.
+<p><em>commands</em> are sent to Ditto in order to do something, either on the digital twin or on a real connected device.<br />
 They are separated in ModifyCommands for creating, modifying, deleting and QueryCommands for retrieving.</p>
 
 <p>For each command Ditto processed a command response is created.
@@ -1786,19 +1805,19 @@
 
 <h3 id="events-criterion">Events criterion</h3>
 
-<p><em>events</em> are emitted by Ditto for each command which successfully <em>modified</em> an entity.
+<p><em>events</em> are emitted by Ditto for each command which successfully <em>modified</em> an entity.<br />
 Each ModifyCommand causes a specific Event type to be published for which interested parties can subscribe themselves.</p>
 
 <h3 id="search-criterion">Search criterion</h3>
 
-<p><em>search</em> requests can only be put on the <em>twin channel</em>.
+<p><em>search</em> requests can only be put on the <em>twin channel</em>.<br />
 They contain a query string defining on which data to search in the population of all <strong>digital twins</strong>.
 Ditto respects the <a href="basic-auth.html">authorization</a> information while searching for the requested data and returns the
 search result as paged list of search hits.</p>
 
 <h3 id="messages-criterion">Messages criterion</h3>
 
-<p><em>messages</em> are always exchanged via the <em>live channel</em>.
+<p><em>messages</em> are always exchanged via the <em>live channel</em>.<br />
 They carry a custom payload and can be answered by another, correlated message.</p>
 
 <h3 id="errors-criterion">Errors criterion</h3>
@@ -1818,6 +1837,11 @@
 Acks contain <em>headers</em> which include at least the <code class="highlighter-rouge">correlation-id</code> of the command/event to acknowledge, and optionally 
 contain a custom <em>payload</em>.</p>
 
+<h3 id="announcement-criterion">Announcement criterion</h3>
+
+<p><em>announcements</em> are published by Ditto prior to an <em>event</em> taking place.<br />
+They are created by Ditto and are e.g. published a configured amount of time before an event will likely happen.</p>
+
 <h2 id="action-optional">Action (optional)</h2>
 
 <p>For command, event, and messages criteria, additional actions are available, which further distinguish the purpose of a 
@@ -1872,6 +1896,9 @@
 The criterion has to match the regular expression <code class="highlighter-rouge">[a-zA-Z0-9-_:]{3,100}</code>, i.e. letters of the Latin alphabet, numbers,
 dashes, and underscores.</p>
 
+<h3 id="announcement-criterion-actions">Announcement criterion actions</h3>
+
+<p>For the <em>announcement</em> criterion, the <em>action</em> segment specifies the announcement name.</p>
 
 
     <div class="tags">
@@ -1898,7 +1925,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-specification.html b/protocol-specification.html
index 412d8dd..bfb55fd 100644
--- a/protocol-specification.html
+++ b/protocol-specification.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1782,7 +1800,7 @@
   <tbody>
     <tr>
       <td><code class="highlighter-rouge">content-type</code></td>
-      <td>The content-type of the message, for Ditto Protocol messages: <code class="highlighter-rouge">application/vnd.eclipse.ditto+json</code></td>
+      <td>The content-type which describes the <a href="#value">value</a> of Ditto Protocol messages.</td>
       <td><code class="highlighter-rouge">String</code></td>
     </tr>
     <tr>
@@ -1902,7 +1920,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/protocol-twinlive.html b/protocol-twinlive.html
index 3008d61..10e4795 100644
--- a/protocol-twinlive.html
+++ b/protocol-twinlive.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1748,7 +1766,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_010-M1.html b/release_notes_010-M1.html
index f683ec7..683ba99 100644
--- a/release_notes_010-M1.html
+++ b/release_notes_010-M1.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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@@ -1727,7 +1745,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_010-M3.html b/release_notes_010-M3.html
index 76ff0c0..dcd61fa 100644
--- a/release_notes_010-M3.html
+++ b/release_notes_010-M3.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1783,7 +1801,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_020-M1.html b/release_notes_020-M1.html
index 5e5c290..43944d4 100644
--- a/release_notes_020-M1.html
+++ b/release_notes_020-M1.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1768,7 +1786,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_030-M1.html b/release_notes_030-M1.html
index 80d7a12..33d0755 100644
--- a/release_notes_030-M1.html
+++ b/release_notes_030-M1.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1779,7 +1797,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_030-M2.html b/release_notes_030-M2.html
index d0dfc6d..d6658b3 100644
--- a/release_notes_030-M2.html
+++ b/release_notes_030-M2.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1776,7 +1794,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_080-M1.html b/release_notes_080-M1.html
index 2fbf361..0bea220 100644
--- a/release_notes_080-M1.html
+++ b/release_notes_080-M1.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1798,7 +1816,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_080-M2.html b/release_notes_080-M2.html
index b2816b2..b71f86e 100644
--- a/release_notes_080-M2.html
+++ b/release_notes_080-M2.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1782,7 +1800,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_080-M3.html b/release_notes_080-M3.html
index 5196cb7..af5edd5 100644
--- a/release_notes_080-M3.html
+++ b/release_notes_080-M3.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1786,7 +1804,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_080.html b/release_notes_080.html
index b199da8..5fb1552 100644
--- a/release_notes_080.html
+++ b/release_notes_080.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
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@@ -1792,7 +1810,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_090-M1.html b/release_notes_090-M1.html
index 613c006..cef4b41 100644
--- a/release_notes_090-M1.html
+++ b/release_notes_090-M1.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1764,7 +1782,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_090-M2.html b/release_notes_090-M2.html
index 64cf7be..96c7bcc 100644
--- a/release_notes_090-M2.html
+++ b/release_notes_090-M2.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1765,7 +1783,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_090.html b/release_notes_090.html
index bc24282..d511f1b 100644
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+++ b/release_notes_090.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
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@@ -1822,7 +1840,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/release_notes_100-M1a.html b/release_notes_100-M1a.html
index bec13d2..49d51f7 100644
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+++ b/release_notes_100-M1a.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
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               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
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diff --git a/search.json b/search.json
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 {
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+
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 {
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 {
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+
+{
 "title": "Policies - Create-Or-Modify protocol specification",
 "tags": "protocol",
 "keywords": "protocol, specification, create, modify, policy",
diff --git a/sitemap.xml b/sitemap.xml
index 9814877..3703e62 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -386,6 +386,12 @@
   
   
   <url>
+    <loc>https://www.eclipse.org/ditto/basic-signals-announcement.html</loc>
+  </url>
+  
+  
+  
+  <url>
     <loc>https://www.eclipse.org/ditto/basic-signals-command.html</loc>
   </url>
   
@@ -799,6 +805,8 @@
   
   
   
+  
+  
   <url>
     <loc>https://www.eclipse.org/ditto/protocol-examples.html</loc>
   </url>
@@ -824,6 +832,12 @@
   
   
   <url>
+    <loc>https://www.eclipse.org/ditto/protocol-specification-policies-announcement.html</loc>
+  </url>
+  
+  
+  
+  <url>
     <loc>https://www.eclipse.org/ditto/protocol-specification-policies-create-or-modify.html</loc>
   </url>
   
diff --git a/tag_advanced.html b/tag_advanced.html
index eb23c83..6ff868f 100644
--- a/tag_advanced.html
+++ b/tag_advanced.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1844,6 +1862,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2182,6 +2204,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2600,7 +2628,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_architecture.html b/tag_architecture.html
index 1a49ec9..2f5cc9a 100644
--- a/tag_architecture.html
+++ b/tag_architecture.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1880,6 +1898,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2218,6 +2240,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2636,7 +2664,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_blog.html b/tag_blog.html
index 16f11d2..134c001 100644
--- a/tag_blog.html
+++ b/tag_blog.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2176,6 +2198,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2822,7 +2850,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_client_sdk.html b/tag_client_sdk.html
index afe6275..f0bd619 100644
--- a/tag_client_sdk.html
+++ b/tag_client_sdk.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2204,6 +2226,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2622,7 +2650,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_connectivity.html b/tag_connectivity.html
index a26db72..6c51dc7 100644
--- a/tag_connectivity.html
+++ b/tag_connectivity.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1856,6 +1874,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2260,6 +2282,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2708,7 +2736,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_getting_started.html b/tag_getting_started.html
index 2abb0ac..719f625 100644
--- a/tag_getting_started.html
+++ b/tag_getting_started.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2226,6 +2248,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2644,7 +2672,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_http.html b/tag_http.html
index b90ce65..3df62b1 100644
--- a/tag_http.html
+++ b/tag_http.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2218,6 +2240,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2642,7 +2670,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_installation.html b/tag_installation.html
index 8e78062..f7c8fea 100644
--- a/tag_installation.html
+++ b/tag_installation.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2194,6 +2216,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2612,7 +2640,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_model.html b/tag_model.html
index 3742104..72e817d 100644
--- a/tag_model.html
+++ b/tag_model.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1907,6 +1925,10 @@
    
     
         
+     
+   
+    
+        
 
         <tr><td><a href="basic-thing.html">Thing</a></td>
             <td><span class="label label-default">Page</span></td>
@@ -2254,6 +2276,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2672,7 +2700,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_news.html b/tag_news.html
index a41818c..b2e5f3f 100644
--- a/tag_news.html
+++ b/tag_news.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2176,6 +2198,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2594,7 +2622,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_protocol.html b/tag_protocol.html
index 3a5aca5..9943dd1 100644
--- a/tag_protocol.html
+++ b/tag_protocol.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1850,6 +1868,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2242,6 +2264,8 @@
     
    
     
+   
+    
         
 
         <tr><td><a href="protocol-examples.html">Protocol examples</a></td>
@@ -2292,6 +2316,16 @@
     
         
 
+        <tr><td><a href="protocol-specification-policies-announcement.html">Policies - Announcement protocol specification</a></td>
+            <td><span class="label label-default">Page</span></td>
+          <td>  Note: The topic path of policy commands contains no channel element. See the specification for details.  Policy announcements A Policy announcement contains the announcement name as last part of the topic: &lt;namespace&gt;/&lt;policyName&gt;/policies/announcements/&lt;announcement-name&gt;  The Ditto Protocol representation of... </td>
+        </tr>
+        
+     
+   
+    
+        
+
         <tr><td><a href="protocol-specification-policies-create-or-modify.html">Policies - Create-Or-Modify protocol specification</a></td>
             <td><span class="label label-default">Page</span></td>
           <td> Create a Policy Create a Policy with the ID specified by the &lt;namespace&gt;/&lt;policyName&gt; pair in the topic and the JSON representation provided in the value. Command    Field Value     topic &lt;namespace&gt;/&lt;policyName&gt;/policies/commands/create   path /   value... </td>
@@ -2406,7 +2440,7 @@
 
         <tr><td><a href="protocol-specification-topic.html">Protocol topic</a></td>
             <td><span class="label label-default">Page</span></td>
-          <td> The Ditto Protocol defines a Topic for each Protocol message having following structure: {namespace}/{entity-name}/{group}/{channel}/{criterion}/{action} Examples for valid topic paths are:  org.eclipse.ditto/fancy-car-1/things/twin/commands/create org.eclipse.ditto/fancy-car-23/things/twin/commands/merge org.eclipse.ditto/fancy-car-0815/things/live/events/modified org.eclipse.ditto/fancy-car-23/things/twin/search org.eclipse.ditto/fancy-car-42/things/live/messages/hello.world org.eclipse.ditto/fancy-policy-1/policies/commands/create org.eclipse.ditto/fancy-policy-1/policies/commands/delete  Namespace The entity’s namespace in which the... </td>
+          <td> The Ditto Protocol defines a Topic for each Protocol message having following structure: {namespace}/{entity-name}/{group}/{channel}/{criterion}/{action} Examples for valid topic paths are:  org.eclipse.ditto/fancy-car-1/things/twin/commands/create org.eclipse.ditto/fancy-car-23/things/twin/commands/merge org.eclipse.ditto/fancy-car-0815/things/live/events/modified org.eclipse.ditto/fancy-car-23/things/twin/search org.eclipse.ditto/fancy-car-42/things/live/messages/hello.world org.eclipse.ditto/fancy-policy-1/policies/commands/create org.eclipse.ditto/fancy-policy-1/policies/commands/delete org.eclipse.ditto/fancy-policy-1/policies/announcements/subjectDeletion  Namespace The entity’s namespace in... </td>
         </tr>
         
      
@@ -2782,7 +2816,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_release_notes.html b/tag_release_notes.html
index 33cf592..5c05595 100644
--- a/tag_release_notes.html
+++ b/tag_release_notes.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2176,6 +2198,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2756,7 +2784,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_rql.html b/tag_rql.html
index b9f09f7..3c84bbf 100644
--- a/tag_rql.html
+++ b/tag_rql.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1856,6 +1874,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2236,6 +2258,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2660,7 +2688,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_search.html b/tag_search.html
index 908725f..3b3b7eb 100644
--- a/tag_search.html
+++ b/tag_search.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1850,6 +1868,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2194,6 +2216,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2630,7 +2658,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_signal.html b/tag_signal.html
index d8eb921..907aaf5 100644
--- a/tag_signal.html
+++ b/tag_signal.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1816,6 +1834,16 @@
     
         
 
+        <tr><td><a href="basic-signals-announcement.html">Announcement</a></td>
+            <td><span class="label label-default">Page</span></td>
+          <td> Announcements are special signals which are published in order to announce something before it actually happens. For example, before an event is created and published, an announcement could signal that the event will happen soon. Announcements have the following characteristics:  they are not persisted/appended into any data... </td>
+        </tr>
+        
+     
+   
+    
+        
+
         <tr><td><a href="basic-signals-command.html">Command</a></td>
             <td><span class="label label-default">Page</span></td>
           <td> Commands involve the need to change or retrieve something of a digital twin managed by Ditto or an actual device connected to Ditto. Commands always contain an identifier of the entity they address (e.g. a Thing ID). Modify Commands Commands which modify a digital twin or an actual... </td>
@@ -1863,7 +1891,7 @@
 
         <tr><td><a href="basic-signals.html">Signals</a></td>
             <td><span class="label label-default">Page</span></td>
-          <td> Ditto has a concept called Signal which combines common functionality of  Commands, Command Responses, Error Responses and Events.  Such common functionality is for example that all those have header fields in which they can be for example correlated to each other. Signals are... </td>
+          <td> Ditto has a concept called Signal which combines common functionality of  Commands, Command Responses, Error Responses, Events and Announcements.  Such common functionality is for example that all those have header fields in which they can be for example correlated to each other.... </td>
         </tr>
         
      
@@ -2211,6 +2239,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2629,7 +2663,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">
diff --git a/tag_troubleshooting.html b/tag_troubleshooting.html
index 7c49d27..fd4fe98 100644
--- a/tag_troubleshooting.html
+++ b/tag_troubleshooting.html
@@ -260,7 +260,7 @@
               
               
               
-              <li><a href="release_notes_200.html">2.0.0</a></li>
+              <li><a href="release_notes_next.html">2.0.0</a></li>
               
               
               
@@ -593,6 +593,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="basic-signals-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1056,6 +1062,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-specification-policies-announcement.html">Announcement</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1595,6 +1607,12 @@
                       
                       
                       
+                      
+                      
+                      <li><a href="protocol-examples-policies-announcement-subjectDeletion.html">Announcement for subject deletion</a></li>
+                      
+                      
+                      
                   </ul>
               </li>
               
@@ -1838,6 +1856,10 @@
      
    
     
+        
+     
+   
+    
    
     
    
@@ -2190,6 +2212,12 @@
     
    
     
+   
+    
+        
+     
+   
+    
         
      
    
@@ -2608,7 +2636,7 @@
                     </div>
                     <p class="notice">
                         &copy;2021 Eclipse Ditto.
-                         Site last generated: Feb 25, 2021 <br />
+                         Site last generated: Mar 5, 2021 <br />
                     </p>
                     <div class="quickLinks">
                         <a href="https://www.eclipse.org/legal/privacy.php" target="_blank">