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index 722cc8a..6379382 100644
--- a/docs/1.4/404.html
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@@ -18,16 +18,16 @@
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-    <link href="/hono/docs/css/hybrid.css?1608128210" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128210" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128210" rel="stylesheet">
-    <link href="/hono/docs/css/horsey.css?1608128210" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128210" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128210" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/horsey.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128210" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 <style type="text/css">
     :root #header + #content > #left > #rlblock_left {
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index 2d936b3..d8e3d25 100644
--- a/docs/1.4/admin-guide/amqp-adapter-config/index.html
+++ b/docs/1.4/admin-guide/amqp-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>AMQP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
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 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/amqp-adapter-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/amqp-adapter-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
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@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
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@@ -1386,6 +1414,8 @@
                   
               
                   
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+                  
                     
                     
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@@ -1410,6 +1440,8 @@
                   
               
                   
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@@ -1434,6 +1466,8 @@
                   
               
                   
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@@ -1458,6 +1492,8 @@
                   
               
                   
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@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/amqp-adapter-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2858,20 +2902,20 @@
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     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
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-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/amqp-network-config/index.html b/docs/1.4/admin-guide/amqp-network-config/index.html
index 2cf6307..3c4dc53 100644
--- a/docs/1.4/admin-guide/amqp-network-config/index.html
+++ b/docs/1.4/admin-guide/amqp-network-config/index.html
@@ -21,19 +21,19 @@
     <title>AMQP 1.0 Messaging Network Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
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 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/amqp-network-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/amqp-network-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/amqp-network-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/amqp-network-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/amqp-network-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/amqp-network-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/amqp-network-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/amqp-network-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/amqp-network-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2631,20 +2675,20 @@
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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?1608128209"></script>
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-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
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diff --git a/docs/1.4/admin-guide/auth-server-config/index.html b/docs/1.4/admin-guide/auth-server-config/index.html
index ba301ca..f755e6d 100644
--- a/docs/1.4/admin-guide/auth-server-config/index.html
+++ b/docs/1.4/admin-guide/auth-server-config/index.html
@@ -21,19 +21,19 @@
     <title>Auth Server Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
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-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
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-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/auth-server-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/auth-server-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/auth-server-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/auth-server-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/auth-server-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/auth-server-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/auth-server-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/auth-server-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/auth-server-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2844,20 +2888,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/coap-adapter-config/index.html b/docs/1.4/admin-guide/coap-adapter-config/index.html
index dffe63c..12ce4bf 100644
--- a/docs/1.4/admin-guide/coap-adapter-config/index.html
+++ b/docs/1.4/admin-guide/coap-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>CoAP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/coap-adapter-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/coap-adapter-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/coap-adapter-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/coap-adapter-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/coap-adapter-config/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/coap-adapter-config/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2839,20 +2877,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/common-config/index.html b/docs/1.4/admin-guide/common-config/index.html
index 6792306..005d80a 100644
--- a/docs/1.4/admin-guide/common-config/index.html
+++ b/docs/1.4/admin-guide/common-config/index.html
@@ -21,19 +21,19 @@
     <title>Common Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/common-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/common-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/common-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/common-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/common-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/common-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/common-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/common-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/common-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2943,20 +2987,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/device-connection-config/index.html b/docs/1.4/admin-guide/device-connection-config/index.html
index a525444..55d6e8b 100644
--- a/docs/1.4/admin-guide/device-connection-config/index.html
+++ b/docs/1.4/admin-guide/device-connection-config/index.html
@@ -21,19 +21,19 @@
     <title>Configuring the Device Connection Service :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/device-connection-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/device-connection-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/device-connection-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/device-connection-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/device-connection-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/device-connection-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/device-connection-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/device-connection-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/device-connection-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2969,20 +3013,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/device-registry-config/index.html b/docs/1.4/admin-guide/device-registry-config/index.html
index efa27d2..4e32b36 100644
--- a/docs/1.4/admin-guide/device-registry-config/index.html
+++ b/docs/1.4/admin-guide/device-registry-config/index.html
@@ -21,19 +21,19 @@
     <title>Device Registry Configurations :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/device-registry-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/device-registry-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/device-registry-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/device-registry-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/device-registry-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/device-registry-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/device-registry-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/device-registry-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/device-registry-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2609,20 +2653,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/file-based-device-registry-config/index.html b/docs/1.4/admin-guide/file-based-device-registry-config/index.html
index 2cb0ed8..2dcfe2c 100644
--- a/docs/1.4/admin-guide/file-based-device-registry-config/index.html
+++ b/docs/1.4/admin-guide/file-based-device-registry-config/index.html
@@ -21,19 +21,19 @@
     <title>File Based Device Registry Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/file-based-device-registry-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/file-based-device-registry-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/file-based-device-registry-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/file-based-device-registry-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/file-based-device-registry-config/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/file-based-device-registry-config/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3157,20 +3195,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/hono-client-configuration/index.html b/docs/1.4/admin-guide/hono-client-configuration/index.html
index 655c061..aecf105 100644
--- a/docs/1.4/admin-guide/hono-client-configuration/index.html
+++ b/docs/1.4/admin-guide/hono-client-configuration/index.html
@@ -21,19 +21,19 @@
     <title>Hono Client Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/hono-client-configuration/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/hono-client-configuration/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/hono-client-configuration/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/hono-client-configuration/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/hono-client-configuration/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/hono-client-configuration/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/hono-client-configuration/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/hono-client-configuration/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/hono-client-configuration/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2932,20 +2976,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/http-adapter-config/index.html b/docs/1.4/admin-guide/http-adapter-config/index.html
index 7b2e9f4..db89d13 100644
--- a/docs/1.4/admin-guide/http-adapter-config/index.html
+++ b/docs/1.4/admin-guide/http-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>HTTP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/http-adapter-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/http-adapter-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/http-adapter-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/http-adapter-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/http-adapter-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/http-adapter-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/http-adapter-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/http-adapter-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/http-adapter-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2830,20 +2874,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/index.html b/docs/1.4/admin-guide/index.html
index 5567b08..790b882 100644
--- a/docs/1.4/admin-guide/index.html
+++ b/docs/1.4/admin-guide/index.html
@@ -21,19 +21,19 @@
     <title>Admin Guide :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2596,20 +2640,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/kura-adapter-config/index.html b/docs/1.4/admin-guide/kura-adapter-config/index.html
index 04ce5fb..41cde69 100644
--- a/docs/1.4/admin-guide/kura-adapter-config/index.html
+++ b/docs/1.4/admin-guide/kura-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>Kura Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/kura-adapter-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/kura-adapter-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/kura-adapter-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/kura-adapter-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/kura-adapter-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/kura-adapter-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/kura-adapter-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/kura-adapter-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/kura-adapter-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2859,20 +2903,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/mongodb-device-registry-config/index.html b/docs/1.4/admin-guide/mongodb-device-registry-config/index.html
index d6cdfde..64f50e0 100644
--- a/docs/1.4/admin-guide/mongodb-device-registry-config/index.html
+++ b/docs/1.4/admin-guide/mongodb-device-registry-config/index.html
@@ -21,19 +21,19 @@
     <title>MongoDB Based Device Registry Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/mongodb-device-registry-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/mongodb-device-registry-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/mongodb-device-registry-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/mongodb-device-registry-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/mongodb-device-registry-config/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/mongodb-device-registry-config/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2925,20 +2963,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/monitoring-tracing-config/index.html b/docs/1.4/admin-guide/monitoring-tracing-config/index.html
index 3ba26ad..4394ced 100644
--- a/docs/1.4/admin-guide/monitoring-tracing-config/index.html
+++ b/docs/1.4/admin-guide/monitoring-tracing-config/index.html
@@ -21,19 +21,19 @@
     <title>Monitoring & Tracing :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/monitoring-tracing-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/monitoring-tracing-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/monitoring-tracing-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/monitoring-tracing-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/monitoring-tracing-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/monitoring-tracing-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/monitoring-tracing-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/monitoring-tracing-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/monitoring-tracing-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2823,20 +2867,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/mqtt-adapter-config/index.html b/docs/1.4/admin-guide/mqtt-adapter-config/index.html
index 1a318ea..d50672a 100644
--- a/docs/1.4/admin-guide/mqtt-adapter-config/index.html
+++ b/docs/1.4/admin-guide/mqtt-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>MQTT Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/mqtt-adapter-config/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/mqtt-adapter-config/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/mqtt-adapter-config/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/mqtt-adapter-config/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/mqtt-adapter-config/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/mqtt-adapter-config/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/mqtt-adapter-config/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2892,20 +2936,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/admin-guide/secure_communication/index.html b/docs/1.4/admin-guide/secure_communication/index.html
index 660ecbd..f69424e 100644
--- a/docs/1.4/admin-guide/secure_communication/index.html
+++ b/docs/1.4/admin-guide/secure_communication/index.html
@@ -21,19 +21,19 @@
     <title>Secure Communication :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/secure_communication/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/secure_communication/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/admin-guide/secure_communication/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/admin-guide/secure_communication/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/admin-guide/secure_communication/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/admin-guide/secure_communication/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/secure_communication/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/secure_communication/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/secure_communication/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2993,20 +3037,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/authentication/index.html b/docs/1.4/api/authentication/index.html
index 04dd39c..a2fd392 100644
--- a/docs/1.4/api/authentication/index.html
+++ b/docs/1.4/api/authentication/index.html
@@ -21,19 +21,19 @@
     <title>Authentication API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/authentication/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/authentication/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/authentication/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/authentication/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/authentication/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/authentication/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/authentication/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/authentication/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/authentication/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2779,20 +2823,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/command-and-control/index.html b/docs/1.4/api/command-and-control/index.html
index 3035001..9b66e61 100644
--- a/docs/1.4/api/command-and-control/index.html
+++ b/docs/1.4/api/command-and-control/index.html
@@ -21,19 +21,19 @@
     <title>Command & Control API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/command-and-control/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/command-and-control/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/command-and-control/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/command-and-control/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/command-and-control/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/command-and-control/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/command-and-control/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/command-and-control/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/command-and-control/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3000,20 +3044,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/credentials/index.html b/docs/1.4/api/credentials/index.html
index c9d42e2..e59bf3e 100644
--- a/docs/1.4/api/credentials/index.html
+++ b/docs/1.4/api/credentials/index.html
@@ -21,19 +21,19 @@
     <title>Credentials API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/credentials/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/credentials/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/credentials/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/credentials/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/credentials/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/credentials/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/credentials/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/credentials/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/credentials/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3272,20 +3316,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/device-connection/index.html b/docs/1.4/api/device-connection/index.html
index 1c5438c..bccc8b1 100644
--- a/docs/1.4/api/device-connection/index.html
+++ b/docs/1.4/api/device-connection/index.html
@@ -21,19 +21,19 @@
     <title>Device Connection API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/device-connection/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/device-connection/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/device-connection/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/device-connection/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/device-connection/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/device-connection/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/device-connection/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/device-connection/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/device-connection/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3401,20 +3445,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/device-registration/index.html b/docs/1.4/api/device-registration/index.html
index f5268cf..d17c348 100644
--- a/docs/1.4/api/device-registration/index.html
+++ b/docs/1.4/api/device-registration/index.html
@@ -21,19 +21,19 @@
     <title>Device Registration API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/device-registration/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/device-registration/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/device-registration/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/device-registration/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/device-registration/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/device-registration/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/device-registration/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/device-registration/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/device-registration/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2887,20 +2931,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/event/index.html b/docs/1.4/api/event/index.html
index c8f7e9f..f0016ac 100644
--- a/docs/1.4/api/event/index.html
+++ b/docs/1.4/api/event/index.html
@@ -21,19 +21,19 @@
     <title>Event API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/event/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/event/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/event/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/event/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/event/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/event/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/event/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/event/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/event/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2854,20 +2898,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/index.html b/docs/1.4/api/index.html
index 703f6aa..f3efe89 100644
--- a/docs/1.4/api/index.html
+++ b/docs/1.4/api/index.html
@@ -21,19 +21,19 @@
     <title>API :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2598,20 +2642,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/management/index.html b/docs/1.4/api/management/index.html
index f3264a4..8dc6292 100644
--- a/docs/1.4/api/management/index.html
+++ b/docs/1.4/api/management/index.html
@@ -21,19 +21,19 @@
     <title>Device Registry Management API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -86,14 +86,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1343,7 +1343,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/management/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/management/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/management/">1.5</option>
                     
                   
               
@@ -1365,6 +1391,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/management/" selected>1.4</option>
@@ -1389,6 +1417,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/management/">1.3</option>
@@ -1413,6 +1443,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/management/">1.2</option>
@@ -1437,6 +1469,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/management/">1.1</option>
@@ -1461,6 +1495,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/management/">1.0</option>
@@ -1485,6 +1521,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/management/">dev</option>
@@ -1542,6 +1580,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2639,20 +2683,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/metrics/index.html b/docs/1.4/api/metrics/index.html
index 4326340..e649f0c 100644
--- a/docs/1.4/api/metrics/index.html
+++ b/docs/1.4/api/metrics/index.html
@@ -21,19 +21,19 @@
     <title>Metrics :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/metrics/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/metrics/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/metrics/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/metrics/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/metrics/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/metrics/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/metrics/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/metrics/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/metrics/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2938,20 +2982,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/telemetry/index.html b/docs/1.4/api/telemetry/index.html
index 0c5674e..e32a637 100644
--- a/docs/1.4/api/telemetry/index.html
+++ b/docs/1.4/api/telemetry/index.html
@@ -21,19 +21,19 @@
     <title>Telemetry API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/telemetry/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/telemetry/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/telemetry/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/telemetry/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/telemetry/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/telemetry/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/telemetry/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/telemetry/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/telemetry/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2821,20 +2865,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/api/tenant/index.html b/docs/1.4/api/tenant/index.html
index b7e60d1..4a77b98 100644
--- a/docs/1.4/api/tenant/index.html
+++ b/docs/1.4/api/tenant/index.html
@@ -21,19 +21,19 @@
     <title>Tenant API Specification :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/api/tenant/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/api/tenant/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/api/tenant/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/api/tenant/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/api/tenant/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/api/tenant/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/api/tenant/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/api/tenant/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/api/tenant/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3347,20 +3391,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/architecture/auth/index.html b/docs/1.4/architecture/auth/index.html
index b259b18..4d5fd84 100644
--- a/docs/1.4/architecture/auth/index.html
+++ b/docs/1.4/architecture/auth/index.html
@@ -21,19 +21,19 @@
     <title>Authentication/Authorization :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/architecture/auth/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/architecture/auth/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/architecture/auth/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/architecture/auth/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/architecture/auth/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/architecture/auth/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/architecture/auth/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/architecture/auth/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/architecture/auth/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2674,20 +2718,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/architecture/component-view/index.html b/docs/1.4/architecture/component-view/index.html
index 28d2c4a..5c78182 100644
--- a/docs/1.4/architecture/component-view/index.html
+++ b/docs/1.4/architecture/component-view/index.html
@@ -21,19 +21,19 @@
     <title>Component View :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/architecture/component-view/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/architecture/component-view/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/architecture/component-view/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/architecture/component-view/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/architecture/component-view/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/architecture/component-view/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/architecture/component-view/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/architecture/component-view/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/architecture/component-view/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2673,20 +2717,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/architecture/index.html b/docs/1.4/architecture/index.html
index 8ebe065..540ff43 100644
--- a/docs/1.4/architecture/index.html
+++ b/docs/1.4/architecture/index.html
@@ -21,19 +21,19 @@
     <title>Architecture :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/architecture/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/architecture/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/architecture/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/architecture/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/architecture/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/architecture/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/architecture/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/architecture/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/architecture/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2596,20 +2640,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/categories/index.html b/docs/1.4/categories/index.html
index 8bb462c..9349b5b 100644
--- a/docs/1.4/categories/index.html
+++ b/docs/1.4/categories/index.html
@@ -21,19 +21,19 @@
     <title>Categories :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/categories/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/categories/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/categories/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/categories/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/categories/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/categories/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/categories/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/categories/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/categories/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2583,20 +2627,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/command-and-control/index.html b/docs/1.4/concepts/command-and-control/index.html
index 4826e12..9a9984f 100644
--- a/docs/1.4/concepts/command-and-control/index.html
+++ b/docs/1.4/concepts/command-and-control/index.html
@@ -21,19 +21,19 @@
     <title>Command & Control :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/command-and-control/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/command-and-control/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/command-and-control/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/command-and-control/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/command-and-control/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/command-and-control/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2710,20 +2748,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/connecting-devices/index.html b/docs/1.4/concepts/connecting-devices/index.html
index efee6f2..c13e87d 100644
--- a/docs/1.4/concepts/connecting-devices/index.html
+++ b/docs/1.4/concepts/connecting-devices/index.html
@@ -21,19 +21,19 @@
     <title>Connecting Devices :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/connecting-devices/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/connecting-devices/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/connecting-devices/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/connecting-devices/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/connecting-devices/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/connecting-devices/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/connecting-devices/">1.1</option>
@@ -1460,6 +1494,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/connecting-devices/">dev</option>
@@ -1517,6 +1553,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2752,20 +2794,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/connection-events/index.html b/docs/1.4/concepts/connection-events/index.html
index 0d2bf0d..a15c006 100644
--- a/docs/1.4/concepts/connection-events/index.html
+++ b/docs/1.4/concepts/connection-events/index.html
@@ -21,19 +21,19 @@
     <title>Connection Events :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/connection-events/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/connection-events/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/connection-events/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/connection-events/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/connection-events/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/connection-events/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/connection-events/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/concepts/connection-events/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/connection-events/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2633,20 +2677,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/device-identity/index.html b/docs/1.4/concepts/device-identity/index.html
index 6a9a523..9e65ee8 100644
--- a/docs/1.4/concepts/device-identity/index.html
+++ b/docs/1.4/concepts/device-identity/index.html
@@ -21,19 +21,19 @@
     <title>Device Identity :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/device-identity/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/device-identity/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/device-identity/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/device-identity/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/device-identity/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/device-identity/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/device-identity/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/concepts/device-identity/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/device-identity/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2653,20 +2697,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/device-notifications/index.html b/docs/1.4/concepts/device-notifications/index.html
index 76a8975..6858c38 100644
--- a/docs/1.4/concepts/device-notifications/index.html
+++ b/docs/1.4/concepts/device-notifications/index.html
@@ -21,19 +21,19 @@
     <title>Device Notifications :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/device-notifications/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/device-notifications/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/device-notifications/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/device-notifications/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/device-notifications/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/device-notifications/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2658,20 +2696,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/device-provisioning/index.html b/docs/1.4/concepts/device-provisioning/index.html
index 34c7184..ce0a59c 100644
--- a/docs/1.4/concepts/device-provisioning/index.html
+++ b/docs/1.4/concepts/device-provisioning/index.html
@@ -21,19 +21,19 @@
     <title>Device Provisioning :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/device-provisioning/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/device-provisioning/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/device-provisioning/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/device-provisioning/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/device-provisioning/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/device-provisioning/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/device-provisioning/">1.1</option>
@@ -1460,6 +1494,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/device-provisioning/">dev</option>
@@ -1517,6 +1553,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2687,20 +2729,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/index.html b/docs/1.4/concepts/index.html
index b491189..cebdec7 100644
--- a/docs/1.4/concepts/index.html
+++ b/docs/1.4/concepts/index.html
@@ -21,19 +21,19 @@
     <title>Concepts :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/concepts/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2593,20 +2637,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/resource-limits/index.html b/docs/1.4/concepts/resource-limits/index.html
index 0291346..bb327d9 100644
--- a/docs/1.4/concepts/resource-limits/index.html
+++ b/docs/1.4/concepts/resource-limits/index.html
@@ -21,19 +21,19 @@
     <title>Resource limits :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/resource-limits/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/resource-limits/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/resource-limits/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/resource-limits/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/resource-limits/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/concepts/resource-limits/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/concepts/resource-limits/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/concepts/resource-limits/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/resource-limits/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2697,20 +2741,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/concepts/tenancy/index.html b/docs/1.4/concepts/tenancy/index.html
index 6e66521..3316e45 100644
--- a/docs/1.4/concepts/tenancy/index.html
+++ b/docs/1.4/concepts/tenancy/index.html
@@ -21,19 +21,19 @@
     <title>Multi-Tenancy :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/concepts/tenancy/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/concepts/tenancy/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/concepts/tenancy/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/concepts/tenancy/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/concepts/tenancy/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/concepts/tenancy/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2695,20 +2733,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/deployment/create-kubernetes-cluster/index.html b/docs/1.4/deployment/create-kubernetes-cluster/index.html
index 2ea97ac..d2f9f39 100644
--- a/docs/1.4/deployment/create-kubernetes-cluster/index.html
+++ b/docs/1.4/deployment/create-kubernetes-cluster/index.html
@@ -21,19 +21,19 @@
     <title>Setting up a Kubernetes Cluster :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/deployment/create-kubernetes-cluster/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/deployment/create-kubernetes-cluster/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/deployment/create-kubernetes-cluster/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/deployment/create-kubernetes-cluster/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/deployment/create-kubernetes-cluster/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/deployment/create-kubernetes-cluster/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/deployment/create-kubernetes-cluster/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/deployment/create-kubernetes-cluster/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/deployment/create-kubernetes-cluster/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2771,20 +2815,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/deployment/helm-based-deployment/index.html b/docs/1.4/deployment/helm-based-deployment/index.html
index 575ff26..0f1c492 100644
--- a/docs/1.4/deployment/helm-based-deployment/index.html
+++ b/docs/1.4/deployment/helm-based-deployment/index.html
@@ -21,19 +21,19 @@
     <title>Helm based Deployment :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/deployment/helm-based-deployment/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/deployment/helm-based-deployment/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/deployment/helm-based-deployment/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/deployment/helm-based-deployment/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/deployment/helm-based-deployment/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/deployment/helm-based-deployment/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/deployment/helm-based-deployment/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/deployment/helm-based-deployment/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/deployment/helm-based-deployment/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2841,20 +2885,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/deployment/index.html b/docs/1.4/deployment/index.html
index fd29823..d465fa6 100644
--- a/docs/1.4/deployment/index.html
+++ b/docs/1.4/deployment/index.html
@@ -21,19 +21,19 @@
     <title>Deployment :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/deployment/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/deployment/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/deployment/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/deployment/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/deployment/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/deployment/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/deployment/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/deployment/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/deployment/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2596,20 +2640,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/deployment/openshift/index.html b/docs/1.4/deployment/openshift/index.html
index d5d4c64..78cf22b 100644
--- a/docs/1.4/deployment/openshift/index.html
+++ b/docs/1.4/deployment/openshift/index.html
@@ -21,19 +21,19 @@
     <title>OpenShift / OKD :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/deployment/openshift/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/deployment/openshift/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/deployment/openshift/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/deployment/openshift/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/deployment/openshift/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/deployment/openshift/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/deployment/openshift/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/deployment/openshift/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/deployment/openshift/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2617,20 +2661,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/deployment/resource-limitation/index.html b/docs/1.4/deployment/resource-limitation/index.html
index 3d7c818..d26d1b8 100644
--- a/docs/1.4/deployment/resource-limitation/index.html
+++ b/docs/1.4/deployment/resource-limitation/index.html
@@ -21,19 +21,19 @@
     <title>Limiting Resource Usage :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/deployment/resource-limitation/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/deployment/resource-limitation/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/deployment/resource-limitation/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/deployment/resource-limitation/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/deployment/resource-limitation/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/deployment/resource-limitation/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/deployment/resource-limitation/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/deployment/resource-limitation/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/deployment/resource-limitation/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2701,20 +2745,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/dev-guide/amqp_adapter_client/index.html b/docs/1.4/dev-guide/amqp_adapter_client/index.html
index 43307a0..903f4c5 100644
--- a/docs/1.4/dev-guide/amqp_adapter_client/index.html
+++ b/docs/1.4/dev-guide/amqp_adapter_client/index.html
@@ -21,19 +21,19 @@
     <title>AMQP Adapter Client for Java :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/dev-guide/amqp_adapter_client/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/dev-guide/amqp_adapter_client/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/dev-guide/amqp_adapter_client/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/dev-guide/amqp_adapter_client/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/dev-guide/amqp_adapter_client/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/dev-guide/amqp_adapter_client/">1.2</option>
@@ -1438,6 +1470,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/dev-guide/amqp_adapter_client/">dev</option>
@@ -1495,6 +1529,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2622,20 +2662,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/dev-guide/building_hono/index.html b/docs/1.4/dev-guide/building_hono/index.html
index 9b1cefa..3dfcd6a 100644
--- a/docs/1.4/dev-guide/building_hono/index.html
+++ b/docs/1.4/dev-guide/building_hono/index.html
@@ -21,19 +21,19 @@
     <title>Building from Source :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/dev-guide/building_hono/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/dev-guide/building_hono/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/dev-guide/building_hono/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/dev-guide/building_hono/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/dev-guide/building_hono/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/dev-guide/building_hono/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/dev-guide/building_hono/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/dev-guide/building_hono/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/dev-guide/building_hono/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2698,20 +2742,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/dev-guide/custom_http_adapter/index.html b/docs/1.4/dev-guide/custom_http_adapter/index.html
index 34207a8..ac33944 100644
--- a/docs/1.4/dev-guide/custom_http_adapter/index.html
+++ b/docs/1.4/dev-guide/custom_http_adapter/index.html
@@ -21,19 +21,19 @@
     <title>Implement a Custom Hono HTTP Protocol Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/dev-guide/custom_http_adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/dev-guide/custom_http_adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/dev-guide/custom_http_adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/dev-guide/custom_http_adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/dev-guide/custom_http_adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/dev-guide/custom_http_adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/dev-guide/custom_http_adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/dev-guide/custom_http_adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/dev-guide/custom_http_adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2726,20 +2770,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/dev-guide/index.html b/docs/1.4/dev-guide/index.html
index 8929638..69da798 100644
--- a/docs/1.4/dev-guide/index.html
+++ b/docs/1.4/dev-guide/index.html
@@ -21,19 +21,19 @@
     <title>Developer Guide :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/dev-guide/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/dev-guide/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/dev-guide/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/dev-guide/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/dev-guide/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/dev-guide/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/dev-guide/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/dev-guide/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/dev-guide/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2596,20 +2640,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/dev-guide/java_client_consumer/index.html b/docs/1.4/dev-guide/java_client_consumer/index.html
index 10eacbe..814c442 100644
--- a/docs/1.4/dev-guide/java_client_consumer/index.html
+++ b/docs/1.4/dev-guide/java_client_consumer/index.html
@@ -21,19 +21,19 @@
     <title>Consuming Messages from Java :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171132" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171132" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171132" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171132"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171132"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171132"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171132"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/dev-guide/java_client_consumer/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/dev-guide/java_client_consumer/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/dev-guide/java_client_consumer/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/dev-guide/java_client_consumer/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/dev-guide/java_client_consumer/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/dev-guide/java_client_consumer/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/dev-guide/java_client_consumer/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/dev-guide/java_client_consumer/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/dev-guide/java_client_consumer/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2697,20 +2741,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/index.html b/docs/1.4/index.html
index aef5f75..7db61ce 100644
--- a/docs/1.4/index.html
+++ b/docs/1.4/index.html
@@ -21,19 +21,19 @@
     <title>Documentation :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2548,20 +2592,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/sitemap.xml b/docs/1.4/sitemap.xml
index 2f34712..06893c4 100644
--- a/docs/1.4/sitemap.xml
+++ b/docs/1.4/sitemap.xml
@@ -11,6 +11,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/"
                 />
@@ -50,6 +55,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/"
                 />
@@ -89,6 +99,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/device-identity/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/device-identity/"
                 />
@@ -128,6 +143,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/tenancy/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/tenancy/"
                 />
@@ -152,6 +172,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/device-provisioning/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/device-provisioning/"
                 />
@@ -186,6 +211,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/connecting-devices/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/connecting-devices/"
                 />
@@ -220,6 +250,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/device-notifications/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/device-notifications/"
                 />
@@ -244,6 +279,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/command-and-control/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/command-and-control/"
                 />
@@ -268,6 +308,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/resource-limits/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/resource-limits/"
                 />
@@ -307,6 +352,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/concepts/connection-events/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/concepts/connection-events/"
                 />
@@ -346,6 +396,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/"
                 />
@@ -385,6 +440,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/mongodb-based-device-registry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/mongodb-based-device-registry/"
                 />
@@ -409,6 +469,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/file-based-device-registry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/file-based-device-registry/"
                 />
@@ -433,6 +498,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/http-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/http-adapter/"
                 />
@@ -472,6 +542,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/mqtt-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/mqtt-adapter/"
                 />
@@ -511,6 +586,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/amqp-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/amqp-adapter/"
                 />
@@ -550,6 +630,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/coap-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/coap-adapter/"
                 />
@@ -579,6 +664,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/kura-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/kura-adapter/"
                 />
@@ -618,6 +708,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/sigfox-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/sigfox-adapter/"
                 />
@@ -652,11 +747,6 @@
     <loc>https://www.eclipse.org/hono/docs/1.4/user-guide/jmeter_load_tests/</loc>
     <xhtml:link
                 rel="alternate"
-                hreflang="stable"
-                href="https://www.eclipse.org/hono/docs/user-guide/jmeter_load_tests/"
-                />
-    <xhtml:link
-                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/jmeter_load_tests/"
                 />
@@ -691,6 +781,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/"
                 />
@@ -730,6 +825,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/common-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/common-config/"
                 />
@@ -769,6 +869,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/auth-server-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/auth-server-config/"
                 />
@@ -808,6 +913,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/mongodb-device-registry-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/mongodb-device-registry-config/"
                 />
@@ -832,6 +942,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/file-based-device-registry-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/file-based-device-registry-config/"
                 />
@@ -856,6 +971,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-connection-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-connection-config/"
                 />
@@ -895,6 +1015,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/http-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/http-adapter-config/"
                 />
@@ -934,6 +1059,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/mqtt-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/mqtt-adapter-config/"
                 />
@@ -973,6 +1103,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/amqp-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/amqp-adapter-config/"
                 />
@@ -1012,6 +1147,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/coap-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/coap-adapter-config/"
                 />
@@ -1036,6 +1176,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/kura-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/kura-adapter-config/"
                 />
@@ -1075,6 +1220,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/hono-client-configuration/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/hono-client-configuration/"
                 />
@@ -1114,6 +1264,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/amqp-network-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/amqp-network-config/"
                 />
@@ -1153,6 +1308,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/secure_communication/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/secure_communication/"
                 />
@@ -1192,6 +1352,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/monitoring-tracing-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/monitoring-tracing-config/"
                 />
@@ -1231,6 +1396,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/dev-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/dev-guide/"
                 />
@@ -1270,6 +1440,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/dev-guide/building_hono/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/dev-guide/building_hono/"
                 />
@@ -1309,6 +1484,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/dev-guide/amqp_adapter_client/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/dev-guide/amqp_adapter_client/"
                 />
@@ -1338,6 +1518,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/dev-guide/java_client_consumer/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/dev-guide/java_client_consumer/"
                 />
@@ -1377,6 +1562,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/dev-guide/custom_http_adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/dev-guide/custom_http_adapter/"
                 />
@@ -1416,6 +1606,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/"
                 />
@@ -1455,6 +1650,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/telemetry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/telemetry/"
                 />
@@ -1494,6 +1694,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/event/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/event/"
                 />
@@ -1533,6 +1738,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/command-and-control/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/command-and-control/"
                 />
@@ -1572,6 +1782,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/tenant/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/tenant/"
                 />
@@ -1611,6 +1826,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/device-connection/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/device-connection/"
                 />
@@ -1650,6 +1870,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/device-registration/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/device-registration/"
                 />
@@ -1689,6 +1914,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/credentials/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/credentials/"
                 />
@@ -1728,6 +1958,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/authentication/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/authentication/"
                 />
@@ -1767,6 +2002,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/management/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/management/"
                 />
@@ -1806,6 +2046,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/api/metrics/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/api/metrics/"
                 />
@@ -1845,6 +2090,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/deployment/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/deployment/"
                 />
@@ -1884,6 +2134,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/deployment/helm-based-deployment/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/deployment/helm-based-deployment/"
                 />
@@ -1923,6 +2178,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/deployment/openshift/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/deployment/openshift/"
                 />
@@ -1962,6 +2222,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/deployment/create-kubernetes-cluster/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/deployment/create-kubernetes-cluster/"
                 />
@@ -2001,6 +2266,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/deployment/resource-limitation/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/deployment/resource-limitation/"
                 />
@@ -2040,6 +2310,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/architecture/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/architecture/"
                 />
@@ -2079,6 +2354,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/architecture/component-view/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/architecture/component-view/"
                 />
@@ -2118,6 +2398,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/architecture/auth/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/architecture/auth/"
                 />
@@ -2157,6 +2442,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/categories/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/categories/"
                 />
@@ -2196,6 +2486,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/user-guide/device-registry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/user-guide/device-registry/"
                 />
@@ -2235,6 +2530,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-registry-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-registry-config/"
                 />
@@ -2274,6 +2574,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.5"
+                href="https://www.eclipse.org/hono/docs/1.5/tags/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.3"
                 href="https://www.eclipse.org/hono/docs/1.3/tags/"
                 />
diff --git a/docs/1.4/tags/index.html b/docs/1.4/tags/index.html
index a698cca..c668ea2 100644
--- a/docs/1.4/tags/index.html
+++ b/docs/1.4/tags/index.html
@@ -21,19 +21,19 @@
     <title>Tags :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/tags/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/tags/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/tags/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/tags/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/tags/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/tags/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/tags/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/tags/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/tags/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2583,20 +2627,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/amqp-adapter/index.html b/docs/1.4/user-guide/amqp-adapter/index.html
index ad692b5..42d3e81 100644
--- a/docs/1.4/user-guide/amqp-adapter/index.html
+++ b/docs/1.4/user-guide/amqp-adapter/index.html
@@ -21,19 +21,19 @@
     <title>AMQP Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/amqp-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/amqp-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/amqp-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/amqp-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/amqp-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/amqp-adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/amqp-adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/amqp-adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/amqp-adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3280,20 +3324,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/coap-adapter/index.html b/docs/1.4/user-guide/coap-adapter/index.html
index 32b7ffc..361b86c 100644
--- a/docs/1.4/user-guide/coap-adapter/index.html
+++ b/docs/1.4/user-guide/coap-adapter/index.html
@@ -21,19 +21,19 @@
     <title>CoAP Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/coap-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/coap-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/coap-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/coap-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/coap-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/coap-adapter/">1.2</option>
@@ -1438,6 +1470,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/coap-adapter/">dev</option>
@@ -1495,6 +1529,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3563,20 +3603,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/device-registry/index.html b/docs/1.4/user-guide/device-registry/index.html
index d8128a9..ee571bc 100644
--- a/docs/1.4/user-guide/device-registry/index.html
+++ b/docs/1.4/user-guide/device-registry/index.html
@@ -21,19 +21,19 @@
     <title>Device Registries :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128209" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128209" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171133" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171133" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128209" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171133" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128209"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171133"></script>
 
     <style type="text/css">
       :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?1608128209"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171133"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171133"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128209"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171133"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/device-registry/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/device-registry/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/device-registry/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/device-registry/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/device-registry/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/device-registry/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/device-registry/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/device-registry/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/device-registry/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2610,20 +2654,20 @@
     <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?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128210"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128210"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128210"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128210"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128210"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128210"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171133"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171133"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171133"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171133"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171133"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171133"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128210"></script>
-    <script src="/hono/docs/js/learn.js?1608128210"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128210"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171133"></script>
+    <script src="/hono/docs/js/learn.js?1608171133"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171133"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128210" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128210"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171133" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171133"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/file-based-device-registry/index.html b/docs/1.4/user-guide/file-based-device-registry/index.html
index 29de0aa..6787a2e 100644
--- a/docs/1.4/user-guide/file-based-device-registry/index.html
+++ b/docs/1.4/user-guide/file-based-device-registry/index.html
@@ -21,19 +21,19 @@
     <title>File Based Device Registry :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/file-based-device-registry/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/file-based-device-registry/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/file-based-device-registry/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/file-based-device-registry/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/file-based-device-registry/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/file-based-device-registry/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2576,20 +2614,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/http-adapter/index.html b/docs/1.4/user-guide/http-adapter/index.html
index d1e7c47..c231f9f 100644
--- a/docs/1.4/user-guide/http-adapter/index.html
+++ b/docs/1.4/user-guide/http-adapter/index.html
@@ -21,19 +21,19 @@
     <title>HTTP Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/http-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/http-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/http-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/http-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/http-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/http-adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/http-adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/http-adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/http-adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3485,20 +3529,20 @@
     <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?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128209"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128209"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128209"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128209"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128209"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128209"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128209"></script>
-    <script src="/hono/docs/js/learn.js?1608128209"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128209"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128209" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/index.html b/docs/1.4/user-guide/index.html
index 6b120b3..5814324 100644
--- a/docs/1.4/user-guide/index.html
+++ b/docs/1.4/user-guide/index.html
@@ -21,19 +21,19 @@
     <title>User Guide :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2596,20 +2640,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/jmeter_load_tests/index.html b/docs/1.4/user-guide/jmeter_load_tests/index.html
index 47eef62..378e65e 100644
--- a/docs/1.4/user-guide/jmeter_load_tests/index.html
+++ b/docs/1.4/user-guide/jmeter_load_tests/index.html
@@ -21,19 +21,19 @@
     <title>Load Tests with JMeter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1338,26 +1338,6 @@
               
               
                   
-                    
-                    
-                      <option id="stable" value="/hono/docs/user-guide/jmeter_load_tests/">stable (1.4)</option>
-                    
-                  
-              
-                  
-              
-                  
-              
-                  
-              
-                  
-              
-                  
-              
-                  
-              
-          
-              
               
                   
               
@@ -1386,6 +1366,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/jmeter_load_tests/">1.3</option>
@@ -1410,6 +1392,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/jmeter_load_tests/">1.2</option>
@@ -1434,6 +1418,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/jmeter_load_tests/">1.1</option>
@@ -1458,6 +1444,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/jmeter_load_tests/">1.0</option>
@@ -1517,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2625,20 +2619,20 @@
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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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/kura-adapter/index.html b/docs/1.4/user-guide/kura-adapter/index.html
index 4d2718b..aa1ac38 100644
--- a/docs/1.4/user-guide/kura-adapter/index.html
+++ b/docs/1.4/user-guide/kura-adapter/index.html
@@ -21,19 +21,19 @@
     <title>Kura Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/kura-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/kura-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/kura-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/kura-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/kura-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/kura-adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/kura-adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/kura-adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/kura-adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2811,20 +2855,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/mongodb-based-device-registry/index.html b/docs/1.4/user-guide/mongodb-based-device-registry/index.html
index e804f03..16f9d2e 100644
--- a/docs/1.4/user-guide/mongodb-based-device-registry/index.html
+++ b/docs/1.4/user-guide/mongodb-based-device-registry/index.html
@@ -21,19 +21,19 @@
     <title>MongoDB Based Device Registry :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/mongodb-based-device-registry/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/mongodb-based-device-registry/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/mongodb-based-device-registry/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/mongodb-based-device-registry/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/mongodb-based-device-registry/">1.3</option>
@@ -1416,6 +1446,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/mongodb-based-device-registry/">dev</option>
@@ -1473,6 +1505,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2571,20 +2609,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/mqtt-adapter/index.html b/docs/1.4/user-guide/mqtt-adapter/index.html
index d31c771..d6f4ff5 100644
--- a/docs/1.4/user-guide/mqtt-adapter/index.html
+++ b/docs/1.4/user-guide/mqtt-adapter/index.html
@@ -21,19 +21,19 @@
     <title>MQTT Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/mqtt-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/mqtt-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/mqtt-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/mqtt-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/mqtt-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/mqtt-adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/mqtt-adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/mqtt-adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/mqtt-adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -3229,20 +3273,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171131"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171131"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171131"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171131"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171131"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171131"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171131"></script>
+    <script src="/hono/docs/js/learn.js?1608171131"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171131"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128209"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171131" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171131"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.4/user-guide/sigfox-adapter/index.html b/docs/1.4/user-guide/sigfox-adapter/index.html
index 2924a15..3335735 100644
--- a/docs/1.4/user-guide/sigfox-adapter/index.html
+++ b/docs/1.4/user-guide/sigfox-adapter/index.html
@@ -21,19 +21,19 @@
     <title>Sigfox Adapter :: Eclipse Hono&trade; Vers.: 1.4</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1608128208" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1608128208" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1608171131" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1608171131" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1608128208" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1608171131" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1608128208"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1608171131"></script>
 
     <style type="text/css">
       :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?1608128208"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1608171131"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1608171131"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.4";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1608128208"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1608171131"></script>
 
     
   </div>
@@ -1340,7 +1340,33 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/user-guide/sigfox-adapter/">stable (1.4)</option>
+                      <option id="stable" value="/hono/docs/user-guide/sigfox-adapter/">stable (1.5)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.5" value="/hono/docs/1.5/user-guide/sigfox-adapter/">1.5</option>
                     
                   
               
@@ -1362,6 +1388,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="/hono/docs/1.4/user-guide/sigfox-adapter/" selected>1.4</option>
@@ -1386,6 +1414,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="/hono/docs/1.3/user-guide/sigfox-adapter/">1.3</option>
@@ -1410,6 +1440,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="/hono/docs/1.2/user-guide/sigfox-adapter/">1.2</option>
@@ -1434,6 +1466,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/user-guide/sigfox-adapter/">1.1</option>
@@ -1458,6 +1492,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/user-guide/sigfox-adapter/">1.0</option>
@@ -1482,6 +1518,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/user-guide/sigfox-adapter/">dev</option>
@@ -1539,6 +1577,12 @@
         <div id="overlay"></div>
         
         
+    <div class="old-version-hint">
+        <p>This page refers to version <em>1.4</em>.
+            You might want to use the <a href="https://www.eclipse.org/hono/docs/">current stable</a> version.
+        </p>
+    </div>
+
 
     
         <div class="padding highlightable">
@@ -2762,20 +2806,20 @@
     <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?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608128208"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608128208"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1608128208"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1608128208"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608128208"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1608128208"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1608171132"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1608171132"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1608171132"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1608171132"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1608171132"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1608171132"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1608128208"></script>
-    <script src="/hono/docs/js/learn.js?1608128208"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1608128208"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1608171132"></script>
+    <script src="/hono/docs/js/learn.js?1608171132"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1608171132"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1608128208" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1608128208"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1608171132" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1608171132"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>