Website build Hono-Website-Declarative-Pipeline-295

Signed-off-by: Hono Bot <hono-bot@eclipse.org>
diff --git a/docs/1.6/admin-guide/amqp-adapter-config/index.html b/docs/1.6/admin-guide/amqp-adapter-config/index.html
index 2aefffb..17addfa 100644
--- a/docs/1.6/admin-guide/amqp-adapter-config/index.html
+++ b/docs/1.6/admin-guide/amqp-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>AMQP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
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+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
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+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/amqp-adapter-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/amqp-adapter-config/">stable (1.9)</option>
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@@ -1636,6 +1670,8 @@
                   
               
                   
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                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/amqp-adapter-config/">1.3</option>
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                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/amqp-adapter-config/">1.1</option>
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                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/amqp-adapter-config/">1.0</option>
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-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
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diff --git a/docs/1.6/admin-guide/amqp-network-config/index.html b/docs/1.6/admin-guide/amqp-network-config/index.html
index dc8b911..0d4197c 100644
--- a/docs/1.6/admin-guide/amqp-network-config/index.html
+++ b/docs/1.6/admin-guide/amqp-network-config/index.html
@@ -21,21 +21,21 @@
     <title>AMQP 1.0 Messaging Network Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
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-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
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+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
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+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
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+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
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@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
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 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/amqp-network-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/amqp-network-config/">stable (1.9)</option>
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@@ -1636,6 +1670,8 @@
                   
               
                   
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                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/amqp-network-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
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                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/amqp-network-config/">1.7</option>
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                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/amqp-network-config/">1.5</option>
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                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/amqp-network-config/">1.4</option>
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                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/amqp-network-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
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                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/amqp-network-config/">1.2</option>
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                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/amqp-network-config/">1.1</option>
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                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/amqp-network-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
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                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/amqp-network-config/">dev</option>
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+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
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+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
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-    <script src="/hono/docs/mermaid/mermaid.js?1626138721"></script>
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diff --git a/docs/1.6/admin-guide/auth-server-config/index.html b/docs/1.6/admin-guide/auth-server-config/index.html
index 1a06e63..18a08e6 100644
--- a/docs/1.6/admin-guide/auth-server-config/index.html
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@@ -21,21 +21,21 @@
     <title>Auth Server Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
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-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
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+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
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+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
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@@ -83,14 +83,14 @@
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-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
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-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
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@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/auth-server-config/">stable (1.8)</option>
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@@ -1636,6 +1670,8 @@
                   
               
                   
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                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/auth-server-config/">1.8</option>
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+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/auth-server-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/auth-server-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/auth-server-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/auth-server-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/auth-server-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/auth-server-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/auth-server-config/">dev</option>
@@ -3359,19 +3413,19 @@
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     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/coap-adapter-config/index.html b/docs/1.6/admin-guide/coap-adapter-config/index.html
index 7cc803b..8f18dfd 100644
--- a/docs/1.6/admin-guide/coap-adapter-config/index.html
+++ b/docs/1.6/admin-guide/coap-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>CoAP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/coap-adapter-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/coap-adapter-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/coap-adapter-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/coap-adapter-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/coap-adapter-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/coap-adapter-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/coap-adapter-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/coap-adapter-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/coap-adapter-config/">1.3</option>
@@ -1834,6 +1880,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/coap-adapter-config/">dev</option>
@@ -3326,19 +3374,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/command-router-config/index.html b/docs/1.6/admin-guide/command-router-config/index.html
index 80690e3..adf28b5 100644
--- a/docs/1.6/admin-guide/command-router-config/index.html
+++ b/docs/1.6/admin-guide/command-router-config/index.html
@@ -21,21 +21,21 @@
     <title>Configuring the Command Router Service :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/command-router-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/command-router-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/command-router-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/command-router-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/command-router-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/command-router-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/command-router-config/">1.5</option>
@@ -1774,6 +1816,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/command-router-config/">dev</option>
@@ -3322,19 +3366,19 @@
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     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
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diff --git a/docs/1.6/admin-guide/common-config/index.html b/docs/1.6/admin-guide/common-config/index.html
index dc62293..a933058 100644
--- a/docs/1.6/admin-guide/common-config/index.html
+++ b/docs/1.6/admin-guide/common-config/index.html
@@ -21,21 +21,21 @@
     <title>Common Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/common-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/common-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/common-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/common-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/common-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/common-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/common-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/common-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/common-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/common-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/common-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/common-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/common-config/">dev</option>
@@ -3463,19 +3517,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/device-connection-config/index.html b/docs/1.6/admin-guide/device-connection-config/index.html
index d878e68..01d93a1 100644
--- a/docs/1.6/admin-guide/device-connection-config/index.html
+++ b/docs/1.6/admin-guide/device-connection-config/index.html
@@ -21,21 +21,21 @@
     <title>Configuring the Device Connection Service :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-connection-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-connection-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/device-connection-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-connection-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-connection-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/device-connection-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-connection-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/device-connection-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-connection-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/device-connection-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/device-connection-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/device-connection-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/device-connection-config/">dev</option>
@@ -3466,19 +3520,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/device-registry-config/index.html b/docs/1.6/admin-guide/device-registry-config/index.html
index 28536ac..dccce4c 100644
--- a/docs/1.6/admin-guide/device-registry-config/index.html
+++ b/docs/1.6/admin-guide/device-registry-config/index.html
@@ -21,21 +21,21 @@
     <title>Device Registry Configurations :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-registry-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-registry-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/device-registry-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-registry-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-registry-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/device-registry-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-registry-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/device-registry-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-registry-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/device-registry-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/device-registry-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/device-registry-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/device-registry-config/">dev</option>
@@ -3177,19 +3231,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138721"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138721"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138721"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138721"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138721"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138721"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138721"></script>
-    <script src="/hono/docs/js/learn.js?1626138721"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138721"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138721" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138721"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/file-based-device-registry-config/index.html b/docs/1.6/admin-guide/file-based-device-registry-config/index.html
index 98cb471..f669bd5 100644
--- a/docs/1.6/admin-guide/file-based-device-registry-config/index.html
+++ b/docs/1.6/admin-guide/file-based-device-registry-config/index.html
@@ -21,21 +21,21 @@
     <title>File Based Device Registry Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/file-based-device-registry-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/file-based-device-registry-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/file-based-device-registry-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/file-based-device-registry-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/file-based-device-registry-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/file-based-device-registry-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/file-based-device-registry-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/file-based-device-registry-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/file-based-device-registry-config/">1.3</option>
@@ -1834,6 +1880,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/file-based-device-registry-config/">dev</option>
@@ -3594,19 +3642,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/hono-client-configuration/index.html b/docs/1.6/admin-guide/hono-client-configuration/index.html
index c37f16b..509103c 100644
--- a/docs/1.6/admin-guide/hono-client-configuration/index.html
+++ b/docs/1.6/admin-guide/hono-client-configuration/index.html
@@ -21,21 +21,21 @@
     <title>Hono Client Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-client-configuration/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-client-configuration/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/hono-client-configuration/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/hono-client-configuration/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/hono-client-configuration/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/hono-client-configuration/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/hono-client-configuration/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/hono-client-configuration/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/hono-client-configuration/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/hono-client-configuration/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/hono-client-configuration/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/hono-client-configuration/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/hono-client-configuration/">dev</option>
@@ -3470,19 +3524,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/hono-kafka-client-configuration/index.html b/docs/1.6/admin-guide/hono-kafka-client-configuration/index.html
index defe3f4..8f6bb41 100644
--- a/docs/1.6/admin-guide/hono-kafka-client-configuration/index.html
+++ b/docs/1.6/admin-guide/hono-kafka-client-configuration/index.html
@@ -21,21 +21,21 @@
     <title>Hono Kafka Client Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-kafka-client-configuration/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-kafka-client-configuration/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/hono-kafka-client-configuration/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/hono-kafka-client-configuration/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/hono-kafka-client-configuration/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/hono-kafka-client-configuration/" selected>1.6</option>
@@ -1744,6 +1784,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/hono-kafka-client-configuration/">dev</option>
@@ -3146,19 +3188,19 @@
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     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/http-adapter-config/index.html b/docs/1.6/admin-guide/http-adapter-config/index.html
index a3f4e28..6030f76 100644
--- a/docs/1.6/admin-guide/http-adapter-config/index.html
+++ b/docs/1.6/admin-guide/http-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>HTTP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
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-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/http-adapter-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/http-adapter-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
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+                  
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+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/http-adapter-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/http-adapter-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/http-adapter-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/http-adapter-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/http-adapter-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/http-adapter-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/http-adapter-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/http-adapter-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/http-adapter-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/http-adapter-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/http-adapter-config/">dev</option>
@@ -3351,19 +3405,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/index.html b/docs/1.6/admin-guide/index.html
index 2360feb..27736ea 100644
--- a/docs/1.6/admin-guide/index.html
+++ b/docs/1.6/admin-guide/index.html
@@ -21,21 +21,21 @@
     <title>Admin Guide :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138723" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138723" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225103" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225103" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138723" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225103" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138723" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225103" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138723"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225103"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138723"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138723"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225103"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225103"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138723"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225103"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/">dev</option>
@@ -3163,19 +3217,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138723"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138723"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138723"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138723"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138723"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138723"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225103"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225103"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225103"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225103"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225103"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225103"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138723"></script>
-    <script src="/hono/docs/js/learn.js?1626138723"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138723"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225103"></script>
+    <script src="/hono/docs/js/learn.js?1626225103"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225103"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138723" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138723"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225103" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225103"></script>
     <script>
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diff --git a/docs/1.6/admin-guide/jdbc-device-registry-config/index.html b/docs/1.6/admin-guide/jdbc-device-registry-config/index.html
index 0379d4d..e26c11a 100644
--- a/docs/1.6/admin-guide/jdbc-device-registry-config/index.html
+++ b/docs/1.6/admin-guide/jdbc-device-registry-config/index.html
@@ -21,21 +21,21 @@
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-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/jdbc-device-registry-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/jdbc-device-registry-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/jdbc-device-registry-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/jdbc-device-registry-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/jdbc-device-registry-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/jdbc-device-registry-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/jdbc-device-registry-config/">1.5</option>
@@ -1774,6 +1816,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/jdbc-device-registry-config/">dev</option>
@@ -3406,19 +3450,19 @@
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     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/kura-adapter-config/index.html b/docs/1.6/admin-guide/kura-adapter-config/index.html
index b05cdf3..d37a5d8 100644
--- a/docs/1.6/admin-guide/kura-adapter-config/index.html
+++ b/docs/1.6/admin-guide/kura-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>Kura Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/kura-adapter-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/kura-adapter-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/kura-adapter-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/kura-adapter-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/kura-adapter-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/kura-adapter-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/kura-adapter-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/kura-adapter-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/kura-adapter-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/kura-adapter-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/kura-adapter-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/kura-adapter-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/kura-adapter-config/">dev</option>
@@ -3376,19 +3430,19 @@
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     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/mongodb-device-registry-config/index.html b/docs/1.6/admin-guide/mongodb-device-registry-config/index.html
index 18f044a..6d40e25 100644
--- a/docs/1.6/admin-guide/mongodb-device-registry-config/index.html
+++ b/docs/1.6/admin-guide/mongodb-device-registry-config/index.html
@@ -21,21 +21,21 @@
     <title>MongoDB Based Device Registry Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mongodb-device-registry-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mongodb-device-registry-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/mongodb-device-registry-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/mongodb-device-registry-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/mongodb-device-registry-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/mongodb-device-registry-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/mongodb-device-registry-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/mongodb-device-registry-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/mongodb-device-registry-config/">1.3</option>
@@ -1834,6 +1880,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/mongodb-device-registry-config/">dev</option>
@@ -3410,19 +3458,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.6/admin-guide/monitoring-tracing-config/index.html b/docs/1.6/admin-guide/monitoring-tracing-config/index.html
index ad1e6b4..315f143 100644
--- a/docs/1.6/admin-guide/monitoring-tracing-config/index.html
+++ b/docs/1.6/admin-guide/monitoring-tracing-config/index.html
@@ -21,21 +21,21 @@
     <title>Monitoring & Tracing :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
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-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
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+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
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@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
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-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
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+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
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 </script>
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+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/monitoring-tracing-config/">stable (1.8)</option>
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+                    
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+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
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+              
+                  
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+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
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@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/monitoring-tracing-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/monitoring-tracing-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/monitoring-tracing-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/monitoring-tracing-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/monitoring-tracing-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/monitoring-tracing-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/monitoring-tracing-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/monitoring-tracing-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/monitoring-tracing-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/monitoring-tracing-config/">dev</option>
@@ -3339,19 +3393,19 @@
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
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-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
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-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
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     </script>
diff --git a/docs/1.6/admin-guide/mqtt-adapter-config/index.html b/docs/1.6/admin-guide/mqtt-adapter-config/index.html
index 0e2f1d3..b967f37 100644
--- a/docs/1.6/admin-guide/mqtt-adapter-config/index.html
+++ b/docs/1.6/admin-guide/mqtt-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>MQTT Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
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-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/mqtt-adapter-config/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/mqtt-adapter-config/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/mqtt-adapter-config/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/mqtt-adapter-config/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/mqtt-adapter-config/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/mqtt-adapter-config/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/mqtt-adapter-config/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/mqtt-adapter-config/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/mqtt-adapter-config/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/mqtt-adapter-config/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/mqtt-adapter-config/">dev</option>
@@ -3431,19 +3485,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
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     </script>
diff --git a/docs/1.6/admin-guide/secure_communication/index.html b/docs/1.6/admin-guide/secure_communication/index.html
index 4859c4c..221a3fa 100644
--- a/docs/1.6/admin-guide/secure_communication/index.html
+++ b/docs/1.6/admin-guide/secure_communication/index.html
@@ -21,21 +21,21 @@
     <title>Secure Communication :: Eclipse Hono&trade; Vers.: 1.6</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1626138721" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1626225101" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1626225101" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1626138721" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1626225101" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626138721"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1626225101"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626138721"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1626225101"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1626225101"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.6";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1626138721"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1626225101"></script>
 
     
   </div>
@@ -1606,7 +1606,41 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/secure_communication/">stable (1.8)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/secure_communication/">stable (1.9)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.9" value="https://www.eclipse.org/hono/docs/1.9/admin-guide/secure_communication/">1.9</option>
                     
                   
               
@@ -1636,6 +1670,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/secure_communication/">1.8</option>
@@ -1668,6 +1704,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/secure_communication/">1.7</option>
@@ -1700,6 +1738,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/secure_communication/" selected>1.6</option>
@@ -1732,6 +1772,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/secure_communication/">1.5</option>
@@ -1764,6 +1806,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/secure_communication/">1.4</option>
@@ -1796,6 +1840,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/secure_communication/">1.3</option>
@@ -1828,6 +1874,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/secure_communication/">1.2</option>
@@ -1860,6 +1908,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/secure_communication/">1.1</option>
@@ -1892,6 +1942,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/secure_communication/">1.0</option>
@@ -1924,6 +1976,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/secure_communication/">dev</option>
@@ -3474,19 +3528,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626138722"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626138722"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1626138722"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1626138722"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1626138722"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1626225102"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1626225102"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1626225102"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1626225102"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1626225102"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626138722"></script>
-    <script src="/hono/docs/js/learn.js?1626138722"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1626138722"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1626225102"></script>
+    <script src="/hono/docs/js/learn.js?1626225102"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1626225102"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1626138722" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1626138722"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1626225102" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1626225102"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>