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index 5f32500..9e9aba9 100644
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-    <link href="/hono/docs/css/hugo-theme.css?1621473411" rel="stylesheet">
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+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
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-      <link href="/hono/docs/css/theme-hono.css?1621473411" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
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index 36c9064..ffa4674 100644
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-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
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+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
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+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
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-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
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+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
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-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
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-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
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index 6fa7267..7479ae2 100644
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-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
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+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
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+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
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 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
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-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
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@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/amqp-network-config/">stable (1.7)</option>
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@@ -1331,6 +1363,8 @@
                   
               
                   
+              
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+              
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@@ -1451,6 +1491,8 @@
                   
               
                   
+              
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                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/amqp-network-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/amqp-network-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
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                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/amqp-network-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
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@@ -1571,6 +1619,8 @@
                   
               
                   
+              
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-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
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-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
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-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
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index ee54a14..c4f1096 100644
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@@ -21,21 +21,21 @@
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-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
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+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
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+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
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+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
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+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
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@@ -83,14 +83,14 @@
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 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
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 <script type="text/javascript">
     
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-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
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@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/auth-server-config/">stable (1.7)</option>
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+                    
+                  
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+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/auth-server-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/auth-server-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/auth-server-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/auth-server-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/auth-server-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/auth-server-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/auth-server-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/auth-server-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/auth-server-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/auth-server-config/">dev</option>
@@ -2761,19 +2811,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/common-config/index.html b/docs/1.0/admin-guide/common-config/index.html
index 5a34bf6..fc85c4b 100644
--- a/docs/1.0/admin-guide/common-config/index.html
+++ b/docs/1.0/admin-guide/common-config/index.html
@@ -21,21 +21,21 @@
     <title>Common Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/common-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/common-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/common-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/common-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/common-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/common-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/common-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/common-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/common-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/common-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/common-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/common-config/">dev</option>
@@ -2659,19 +2709,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/device-connection-config/index.html b/docs/1.0/admin-guide/device-connection-config/index.html
index 49edceb..1ff9a60 100644
--- a/docs/1.0/admin-guide/device-connection-config/index.html
+++ b/docs/1.0/admin-guide/device-connection-config/index.html
@@ -21,21 +21,21 @@
     <title>Configuring the Device Connection Service :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-connection-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-connection-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-connection-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-connection-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/device-connection-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-connection-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/device-connection-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-connection-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/device-connection-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/device-connection-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/device-connection-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/device-connection-config/">dev</option>
@@ -2802,19 +2852,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
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diff --git a/docs/1.0/admin-guide/device-registry-config/index.html b/docs/1.0/admin-guide/device-registry-config/index.html
index 95c8e0a..bed5d1c 100644
--- a/docs/1.0/admin-guide/device-registry-config/index.html
+++ b/docs/1.0/admin-guide/device-registry-config/index.html
@@ -21,21 +21,21 @@
     <title>Device Registry Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-registry-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/device-registry-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-registry-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-registry-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/device-registry-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/device-registry-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/device-registry-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/device-registry-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/device-registry-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/device-registry-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/device-registry-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/device-registry-config/">dev</option>
@@ -2968,19 +3018,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/hono-client-configuration/index.html b/docs/1.0/admin-guide/hono-client-configuration/index.html
index bd5b74a..ec81e85 100644
--- a/docs/1.0/admin-guide/hono-client-configuration/index.html
+++ b/docs/1.0/admin-guide/hono-client-configuration/index.html
@@ -21,21 +21,21 @@
     <title>Hono Client Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-client-configuration/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/hono-client-configuration/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/hono-client-configuration/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/hono-client-configuration/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/hono-client-configuration/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/hono-client-configuration/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/hono-client-configuration/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/hono-client-configuration/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/hono-client-configuration/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/hono-client-configuration/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/hono-client-configuration/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/hono-client-configuration/">dev</option>
@@ -2818,19 +2868,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/http-adapter-config/index.html b/docs/1.0/admin-guide/http-adapter-config/index.html
index 9a9ca8f..bd3a2a9 100644
--- a/docs/1.0/admin-guide/http-adapter-config/index.html
+++ b/docs/1.0/admin-guide/http-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>HTTP Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/http-adapter-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/http-adapter-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/http-adapter-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/http-adapter-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/http-adapter-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/http-adapter-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/http-adapter-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/http-adapter-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/http-adapter-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/http-adapter-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/http-adapter-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/http-adapter-config/">dev</option>
@@ -2833,19 +2883,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/index.html b/docs/1.0/admin-guide/index.html
index 6109bf3..f3a63d6 100644
--- a/docs/1.0/admin-guide/index.html
+++ b/docs/1.0/admin-guide/index.html
@@ -21,21 +21,21 @@
     <title>Admin Guide :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/">dev</option>
@@ -2571,19 +2621,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/kura-adapter-config/index.html b/docs/1.0/admin-guide/kura-adapter-config/index.html
index 4c4b6f0..8eb1437 100644
--- a/docs/1.0/admin-guide/kura-adapter-config/index.html
+++ b/docs/1.0/admin-guide/kura-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>Kura Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/kura-adapter-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/kura-adapter-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/kura-adapter-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/kura-adapter-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/kura-adapter-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/kura-adapter-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/kura-adapter-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/kura-adapter-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/kura-adapter-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/kura-adapter-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/kura-adapter-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/kura-adapter-config/">dev</option>
@@ -2845,19 +2895,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/monitoring-tracing-config/index.html b/docs/1.0/admin-guide/monitoring-tracing-config/index.html
index d8f198b..82f4dd4 100644
--- a/docs/1.0/admin-guide/monitoring-tracing-config/index.html
+++ b/docs/1.0/admin-guide/monitoring-tracing-config/index.html
@@ -21,21 +21,21 @@
     <title>Monitoring & Tracing :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/monitoring-tracing-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/monitoring-tracing-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/monitoring-tracing-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/monitoring-tracing-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/monitoring-tracing-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/monitoring-tracing-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/monitoring-tracing-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/monitoring-tracing-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/monitoring-tracing-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/monitoring-tracing-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/monitoring-tracing-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/monitoring-tracing-config/">dev</option>
@@ -2747,19 +2797,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/mqtt-adapter-config/index.html b/docs/1.0/admin-guide/mqtt-adapter-config/index.html
index 841a819..7bdda28 100644
--- a/docs/1.0/admin-guide/mqtt-adapter-config/index.html
+++ b/docs/1.0/admin-guide/mqtt-adapter-config/index.html
@@ -21,21 +21,21 @@
     <title>MQTT Adapter Configuration :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/mqtt-adapter-config/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/mqtt-adapter-config/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/mqtt-adapter-config/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/mqtt-adapter-config/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/mqtt-adapter-config/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/mqtt-adapter-config/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/mqtt-adapter-config/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/mqtt-adapter-config/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/mqtt-adapter-config/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/mqtt-adapter-config/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/mqtt-adapter-config/">dev</option>
@@ -2839,19 +2889,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/admin-guide/secure_communication/index.html b/docs/1.0/admin-guide/secure_communication/index.html
index 409814b..dd652bb 100644
--- a/docs/1.0/admin-guide/secure_communication/index.html
+++ b/docs/1.0/admin-guide/secure_communication/index.html
@@ -21,21 +21,21 @@
     <title>Secure Communication :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/secure_communication/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/admin-guide/secure_communication/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/admin-guide/secure_communication/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/admin-guide/secure_communication/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/admin-guide/secure_communication/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/admin-guide/secure_communication/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/admin-guide/secure_communication/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/admin-guide/secure_communication/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/admin-guide/secure_communication/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/admin-guide/secure_communication/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/admin-guide/secure_communication/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/admin-guide/secure_communication/">dev</option>
@@ -2819,19 +2869,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/authentication/index.html b/docs/1.0/api/authentication/index.html
index 8dcbfbe..ee4dde6 100644
--- a/docs/1.0/api/authentication/index.html
+++ b/docs/1.0/api/authentication/index.html
@@ -21,21 +21,21 @@
     <title>Authentication API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/authentication/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/authentication/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/authentication/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/authentication/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/authentication/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/authentication/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/authentication/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/authentication/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/authentication/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/authentication/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/authentication/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/authentication/">dev</option>
@@ -2712,19 +2762,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/command-and-control/index.html b/docs/1.0/api/command-and-control/index.html
index bdb8862..bf7800f 100644
--- a/docs/1.0/api/command-and-control/index.html
+++ b/docs/1.0/api/command-and-control/index.html
@@ -21,21 +21,21 @@
     <title>Command & Control API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/command-and-control/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/command-and-control/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/command-and-control/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/command-and-control/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/command-and-control/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/command-and-control/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/command-and-control/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/command-and-control/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/command-and-control/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/command-and-control/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/command-and-control/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/command-and-control/">dev</option>
@@ -2919,19 +2969,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/credentials/index.html b/docs/1.0/api/credentials/index.html
index ab64dcb..1ddb68f 100644
--- a/docs/1.0/api/credentials/index.html
+++ b/docs/1.0/api/credentials/index.html
@@ -21,21 +21,21 @@
     <title>Credentials API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/credentials/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/credentials/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/credentials/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/credentials/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/credentials/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/credentials/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/credentials/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/credentials/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/credentials/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/credentials/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/credentials/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/credentials/">dev</option>
@@ -3108,19 +3158,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/device-connection/index.html b/docs/1.0/api/device-connection/index.html
index e75e683..a4422f1 100644
--- a/docs/1.0/api/device-connection/index.html
+++ b/docs/1.0/api/device-connection/index.html
@@ -21,21 +21,21 @@
     <title>Device Connection API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/device-connection/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/device-connection/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/device-connection/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/device-connection/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/device-connection/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/device-connection/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/device-connection/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/device-connection/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/device-connection/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/device-connection/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/device-connection/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/device-connection/">dev</option>
@@ -2891,19 +2941,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/device-registration/index.html b/docs/1.0/api/device-registration/index.html
index ceeef83..391f845 100644
--- a/docs/1.0/api/device-registration/index.html
+++ b/docs/1.0/api/device-registration/index.html
@@ -21,21 +21,21 @@
     <title>Device Registration API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/device-registration/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/device-registration/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/device-registration/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/device-registration/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/device-registration/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/device-registration/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/device-registration/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/device-registration/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/device-registration/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/device-registration/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/device-registration/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/device-registration/">dev</option>
@@ -2805,19 +2855,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/event/index.html b/docs/1.0/api/event/index.html
index 656df97..5a45c42 100644
--- a/docs/1.0/api/event/index.html
+++ b/docs/1.0/api/event/index.html
@@ -21,21 +21,21 @@
     <title>Event API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/event/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/event/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/event/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/event/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/event/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/event/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/event/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/event/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/event/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/event/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/event/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/event/">dev</option>
@@ -2778,19 +2828,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/index.html b/docs/1.0/api/index.html
index 979b7d3..b1003e1 100644
--- a/docs/1.0/api/index.html
+++ b/docs/1.0/api/index.html
@@ -21,21 +21,21 @@
     <title>API :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/">dev</option>
@@ -2572,19 +2622,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/management/index.html b/docs/1.0/api/management/index.html
index 3d56677..2fa8a7d 100644
--- a/docs/1.0/api/management/index.html
+++ b/docs/1.0/api/management/index.html
@@ -21,21 +21,21 @@
     <title>Device Registry Management API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :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?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1306,7 +1306,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/management/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/management/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/management/">1.8</option>
                     
                   
               
@@ -1334,6 +1366,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/management/">1.7</option>
@@ -1364,6 +1398,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/management/">1.6</option>
@@ -1394,6 +1430,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/management/">1.5</option>
@@ -1424,6 +1462,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/management/">1.4</option>
@@ -1454,6 +1494,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/management/">1.3</option>
@@ -1484,6 +1526,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/management/">1.2</option>
@@ -1514,6 +1558,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/management/">1.1</option>
@@ -1544,6 +1590,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/management/" selected>1.0</option>
@@ -1574,6 +1622,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/management/">dev</option>
@@ -2633,19 +2683,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473409"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473409"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473409"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473409"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473409"></script>
-    <script src="/hono/docs/js/learn.js?1621473409"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473409"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473409" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473409"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/metrics/index.html b/docs/1.0/api/metrics/index.html
index 9002a5d..ae83a8c 100644
--- a/docs/1.0/api/metrics/index.html
+++ b/docs/1.0/api/metrics/index.html
@@ -21,21 +21,21 @@
     <title>Metrics :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/metrics/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/metrics/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/metrics/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/metrics/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/metrics/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/metrics/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/metrics/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/metrics/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/metrics/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/metrics/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/metrics/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/metrics/">dev</option>
@@ -2782,19 +2832,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/telemetry/index.html b/docs/1.0/api/telemetry/index.html
index 9015f86..4d5ba03 100644
--- a/docs/1.0/api/telemetry/index.html
+++ b/docs/1.0/api/telemetry/index.html
@@ -21,21 +21,21 @@
     <title>Telemetry API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/telemetry/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/telemetry/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/telemetry/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/telemetry/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/telemetry/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/telemetry/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/telemetry/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/telemetry/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/telemetry/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/telemetry/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/telemetry/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/telemetry/">dev</option>
@@ -2749,19 +2799,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/api/tenant/index.html b/docs/1.0/api/tenant/index.html
index 1a185bf..cb194b9 100644
--- a/docs/1.0/api/tenant/index.html
+++ b/docs/1.0/api/tenant/index.html
@@ -21,21 +21,21 @@
     <title>Tenant API Specification :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/tenant/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/api/tenant/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/api/tenant/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/api/tenant/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/api/tenant/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/api/tenant/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/api/tenant/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/api/tenant/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/api/tenant/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/api/tenant/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/api/tenant/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/api/tenant/">dev</option>
@@ -3144,19 +3194,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/architecture/auth/index.html b/docs/1.0/architecture/auth/index.html
index 42657dd..11fe10b 100644
--- a/docs/1.0/architecture/auth/index.html
+++ b/docs/1.0/architecture/auth/index.html
@@ -21,21 +21,21 @@
     <title>Authentication/Authorization :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/auth/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/auth/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/architecture/auth/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/architecture/auth/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/architecture/auth/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/architecture/auth/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/architecture/auth/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/architecture/auth/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/architecture/auth/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/architecture/auth/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/architecture/auth/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/architecture/auth/">dev</option>
@@ -2627,19 +2677,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/architecture/component-view/index.html b/docs/1.0/architecture/component-view/index.html
index 98520c9..574794c 100644
--- a/docs/1.0/architecture/component-view/index.html
+++ b/docs/1.0/architecture/component-view/index.html
@@ -21,21 +21,21 @@
     <title>Component View :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/component-view/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/component-view/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/architecture/component-view/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/architecture/component-view/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/architecture/component-view/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/architecture/component-view/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/architecture/component-view/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/architecture/component-view/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/architecture/component-view/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/architecture/component-view/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/architecture/component-view/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/architecture/component-view/">dev</option>
@@ -2630,19 +2680,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
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     </script>
diff --git a/docs/1.0/architecture/index.html b/docs/1.0/architecture/index.html
index 415613b..e7ab9b8 100644
--- a/docs/1.0/architecture/index.html
+++ b/docs/1.0/architecture/index.html
@@ -21,21 +21,21 @@
     <title>Architecture :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/architecture/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/architecture/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/architecture/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/architecture/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/architecture/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/architecture/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/architecture/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/architecture/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/architecture/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/architecture/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/architecture/">dev</option>
@@ -2571,19 +2621,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/categories/index.html b/docs/1.0/categories/index.html
index a857ee2..1e2d402 100644
--- a/docs/1.0/categories/index.html
+++ b/docs/1.0/categories/index.html
@@ -21,21 +21,21 @@
     <title>Categories :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/categories/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/categories/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/categories/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/categories/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/categories/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/categories/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/categories/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/categories/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/categories/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/categories/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/categories/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/categories/">dev</option>
@@ -2568,19 +2618,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/command-and-control/index.html b/docs/1.0/concepts/command-and-control/index.html
index 5ae2d03..53c734a 100644
--- a/docs/1.0/concepts/command-and-control/index.html
+++ b/docs/1.0/concepts/command-and-control/index.html
@@ -21,21 +21,21 @@
     <title>Command & Control :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1313,6 +1313,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/command-and-control/">1.2</option>
@@ -1343,6 +1345,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/command-and-control/">1.1</option>
@@ -1373,6 +1377,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/command-and-control/" selected>1.0</option>
@@ -2507,19 +2513,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/connection-events/index.html b/docs/1.0/concepts/connection-events/index.html
index cd97263..846d849 100644
--- a/docs/1.0/concepts/connection-events/index.html
+++ b/docs/1.0/concepts/connection-events/index.html
@@ -21,21 +21,21 @@
     <title>Connection Events :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/connection-events/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/connection-events/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/concepts/connection-events/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/concepts/connection-events/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/concepts/connection-events/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/concepts/connection-events/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/concepts/connection-events/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/concepts/connection-events/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/connection-events/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/connection-events/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/connection-events/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/concepts/connection-events/">dev</option>
@@ -2606,19 +2656,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/device-identity/index.html b/docs/1.0/concepts/device-identity/index.html
index e4c78f7..1de7337 100644
--- a/docs/1.0/concepts/device-identity/index.html
+++ b/docs/1.0/concepts/device-identity/index.html
@@ -21,21 +21,21 @@
     <title>Device Identity :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/device-identity/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/device-identity/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/concepts/device-identity/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/concepts/device-identity/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/concepts/device-identity/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/concepts/device-identity/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/concepts/device-identity/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/concepts/device-identity/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/device-identity/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/device-identity/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/device-identity/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/concepts/device-identity/">dev</option>
@@ -2605,19 +2655,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/device-notifications/index.html b/docs/1.0/concepts/device-notifications/index.html
index 0f7bb00..a29c81b 100644
--- a/docs/1.0/concepts/device-notifications/index.html
+++ b/docs/1.0/concepts/device-notifications/index.html
@@ -21,21 +21,21 @@
     <title>Device Notifications :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1313,6 +1313,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/device-notifications/">1.2</option>
@@ -1343,6 +1345,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/device-notifications/">1.1</option>
@@ -1373,6 +1377,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/device-notifications/" selected>1.0</option>
@@ -2476,19 +2482,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/index.html b/docs/1.0/concepts/index.html
index bd3d608..e277c7f 100644
--- a/docs/1.0/concepts/index.html
+++ b/docs/1.0/concepts/index.html
@@ -21,21 +21,21 @@
     <title>Concepts :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/concepts/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/concepts/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/concepts/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/concepts/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/concepts/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/concepts/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/concepts/">dev</option>
@@ -2568,19 +2618,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/resource-limits/index.html b/docs/1.0/concepts/resource-limits/index.html
index 893d8d1..6aea212 100644
--- a/docs/1.0/concepts/resource-limits/index.html
+++ b/docs/1.0/concepts/resource-limits/index.html
@@ -21,21 +21,21 @@
     <title>Resource limits :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/resource-limits/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/concepts/resource-limits/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/concepts/resource-limits/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/concepts/resource-limits/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/concepts/resource-limits/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/concepts/resource-limits/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/concepts/resource-limits/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/concepts/resource-limits/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/resource-limits/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/resource-limits/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/resource-limits/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/concepts/resource-limits/">dev</option>
@@ -2617,19 +2667,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/concepts/tenancy/index.html b/docs/1.0/concepts/tenancy/index.html
index 6cb72d4..e72caa8 100644
--- a/docs/1.0/concepts/tenancy/index.html
+++ b/docs/1.0/concepts/tenancy/index.html
@@ -21,21 +21,21 @@
     <title>Multi-Tenancy :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1313,6 +1313,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/concepts/tenancy/">1.2</option>
@@ -1343,6 +1345,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/concepts/tenancy/">1.1</option>
@@ -1373,6 +1377,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/concepts/tenancy/" selected>1.0</option>
@@ -2497,19 +2503,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/deployment/create-kubernetes-cluster/index.html b/docs/1.0/deployment/create-kubernetes-cluster/index.html
index 2c2ff02..7684305 100644
--- a/docs/1.0/deployment/create-kubernetes-cluster/index.html
+++ b/docs/1.0/deployment/create-kubernetes-cluster/index.html
@@ -21,21 +21,21 @@
     <title>Setting up a Kubernetes Cluster :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/create-kubernetes-cluster/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/create-kubernetes-cluster/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/deployment/create-kubernetes-cluster/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/deployment/create-kubernetes-cluster/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/deployment/create-kubernetes-cluster/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/deployment/create-kubernetes-cluster/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/deployment/create-kubernetes-cluster/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/deployment/create-kubernetes-cluster/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/deployment/create-kubernetes-cluster/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/deployment/create-kubernetes-cluster/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/deployment/create-kubernetes-cluster/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/deployment/create-kubernetes-cluster/">dev</option>
@@ -2683,19 +2733,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/deployment/helm-based-deployment/index.html b/docs/1.0/deployment/helm-based-deployment/index.html
index f32b869..04a5222 100644
--- a/docs/1.0/deployment/helm-based-deployment/index.html
+++ b/docs/1.0/deployment/helm-based-deployment/index.html
@@ -21,21 +21,21 @@
     <title>Helm based Deployment :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/helm-based-deployment/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/helm-based-deployment/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/deployment/helm-based-deployment/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/deployment/helm-based-deployment/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/deployment/helm-based-deployment/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/deployment/helm-based-deployment/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/deployment/helm-based-deployment/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/deployment/helm-based-deployment/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/deployment/helm-based-deployment/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/deployment/helm-based-deployment/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/deployment/helm-based-deployment/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/deployment/helm-based-deployment/">dev</option>
@@ -2996,19 +3046,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/deployment/index.html b/docs/1.0/deployment/index.html
index f020caa..d057a74 100644
--- a/docs/1.0/deployment/index.html
+++ b/docs/1.0/deployment/index.html
@@ -21,21 +21,21 @@
     <title>Deployment :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/deployment/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/deployment/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/deployment/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/deployment/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/deployment/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/deployment/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/deployment/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/deployment/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/deployment/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/deployment/">dev</option>
@@ -2571,19 +2621,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/deployment/openshift/index.html b/docs/1.0/deployment/openshift/index.html
index 1f01cc1..6515fc5 100644
--- a/docs/1.0/deployment/openshift/index.html
+++ b/docs/1.0/deployment/openshift/index.html
@@ -21,21 +21,21 @@
     <title>OpenShift / OKD :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473409" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473409"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/openshift/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/openshift/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/deployment/openshift/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/deployment/openshift/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/deployment/openshift/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/deployment/openshift/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/deployment/openshift/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/deployment/openshift/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/deployment/openshift/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/deployment/openshift/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/deployment/openshift/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/deployment/openshift/">dev</option>
@@ -2592,19 +2642,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559525"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559525"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559525"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559525"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559525"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559525"></script>
+    <script src="/hono/docs/js/learn.js?1621559525"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559525"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559525" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559525"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/deployment/resource-limitation/index.html b/docs/1.0/deployment/resource-limitation/index.html
index 6ebc604..e213fc1 100644
--- a/docs/1.0/deployment/resource-limitation/index.html
+++ b/docs/1.0/deployment/resource-limitation/index.html
@@ -21,21 +21,21 @@
     <title>Limiting Resource Usage :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/resource-limitation/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/deployment/resource-limitation/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/deployment/resource-limitation/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/deployment/resource-limitation/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/deployment/resource-limitation/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/deployment/resource-limitation/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/deployment/resource-limitation/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/deployment/resource-limitation/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/deployment/resource-limitation/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/deployment/resource-limitation/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/deployment/resource-limitation/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/deployment/resource-limitation/">dev</option>
@@ -2652,19 +2702,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/dev-guide/building_hono/index.html b/docs/1.0/dev-guide/building_hono/index.html
index 71d7426..9c19258 100644
--- a/docs/1.0/dev-guide/building_hono/index.html
+++ b/docs/1.0/dev-guide/building_hono/index.html
@@ -21,21 +21,21 @@
     <title>Building from Source :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/dev-guide/building_hono/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/dev-guide/building_hono/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/dev-guide/building_hono/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/dev-guide/building_hono/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/dev-guide/building_hono/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/dev-guide/building_hono/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/dev-guide/building_hono/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/dev-guide/building_hono/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/dev-guide/building_hono/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/dev-guide/building_hono/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/dev-guide/building_hono/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/dev-guide/building_hono/">dev</option>
@@ -2624,19 +2674,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/dev-guide/custom_http_adapter/index.html b/docs/1.0/dev-guide/custom_http_adapter/index.html
index ba40f8d..24f3d3f 100644
--- a/docs/1.0/dev-guide/custom_http_adapter/index.html
+++ b/docs/1.0/dev-guide/custom_http_adapter/index.html
@@ -21,21 +21,21 @@
     <title>Implement a Custom Hono HTTP Protocol Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
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@@ -83,14 +83,14 @@
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 <script type="text/javascript">
     
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 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
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@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/dev-guide/custom_http_adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
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@@ -1391,6 +1427,8 @@
                   
               
                   
+              
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                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/dev-guide/custom_http_adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
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@@ -1451,6 +1491,8 @@
                   
               
                   
+              
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                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/dev-guide/custom_http_adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
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+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/dev-guide/custom_http_adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/dev-guide/custom_http_adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
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@@ -1571,6 +1619,8 @@
                   
               
                   
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@@ -2665,19 +2715,19 @@
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-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
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-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
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+    <script src="/hono/docs/js/learn.js?1621559526"></script>
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-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
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diff --git a/docs/1.0/dev-guide/index.html b/docs/1.0/dev-guide/index.html
index 256c759..84aa6fc 100644
--- a/docs/1.0/dev-guide/index.html
+++ b/docs/1.0/dev-guide/index.html
@@ -21,21 +21,21 @@
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-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
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-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
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-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
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+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
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+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
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 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
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+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
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-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/dev-guide/">stable (1.7)</option>
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@@ -1331,6 +1363,8 @@
                   
               
                   
+              
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                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/dev-guide/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
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                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/dev-guide/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
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                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/dev-guide/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/dev-guide/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/dev-guide/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/dev-guide/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/dev-guide/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/dev-guide/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/dev-guide/">dev</option>
@@ -2571,19 +2621,19 @@
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-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
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index ff50d5d..a13d4e8 100644
--- a/docs/1.0/dev-guide/java_client_consumer/index.html
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@@ -21,21 +21,21 @@
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-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
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+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
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 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
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+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
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 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/dev-guide/java_client_consumer/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/dev-guide/java_client_consumer/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/dev-guide/java_client_consumer/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/dev-guide/java_client_consumer/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/dev-guide/java_client_consumer/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/dev-guide/java_client_consumer/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/dev-guide/java_client_consumer/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/dev-guide/java_client_consumer/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/dev-guide/java_client_consumer/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/dev-guide/java_client_consumer/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/dev-guide/java_client_consumer/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/dev-guide/java_client_consumer/">dev</option>
@@ -2640,19 +2690,19 @@
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     </div>
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-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
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-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/index.html b/docs/1.0/index.html
index 642bc86..6ff6c7d 100644
--- a/docs/1.0/index.html
+++ b/docs/1.0/index.html
@@ -21,21 +21,21 @@
     <title>Documentation :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/">dev</option>
@@ -2519,19 +2569,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/sitemap.xml b/docs/1.0/sitemap.xml
index 80fba8f..da7cac4 100644
--- a/docs/1.0/sitemap.xml
+++ b/docs/1.0/sitemap.xml
@@ -10,6 +10,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/"
                 />
@@ -62,6 +67,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/concepts/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/concepts/"
                 />
@@ -114,6 +124,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/concepts/device-identity/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/concepts/device-identity/"
                 />
@@ -217,6 +232,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/concepts/resource-limits/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/concepts/resource-limits/"
                 />
@@ -269,6 +289,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/concepts/connection-events/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/concepts/connection-events/"
                 />
@@ -321,6 +346,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/"
                 />
@@ -373,6 +403,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/device-registry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/device-registry/"
                 />
@@ -425,6 +460,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/http-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/http-adapter/"
                 />
@@ -477,6 +517,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/mqtt-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/mqtt-adapter/"
                 />
@@ -529,6 +574,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/amqp-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/amqp-adapter/"
                 />
@@ -581,6 +631,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/kura-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/kura-adapter/"
                 />
@@ -633,6 +688,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/user-guide/sigfox-adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/user-guide/sigfox-adapter/"
                 />
@@ -712,6 +772,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/"
                 />
@@ -764,6 +829,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/common-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/common-config/"
                 />
@@ -816,6 +886,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/auth-server-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/auth-server-config/"
                 />
@@ -868,6 +943,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-registry-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-registry-config/"
                 />
@@ -920,6 +1000,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/device-connection-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/device-connection-config/"
                 />
@@ -972,6 +1057,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/http-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/http-adapter-config/"
                 />
@@ -1024,6 +1114,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/amqp-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/amqp-adapter-config/"
                 />
@@ -1076,6 +1171,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/mqtt-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/mqtt-adapter-config/"
                 />
@@ -1128,6 +1228,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/kura-adapter-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/kura-adapter-config/"
                 />
@@ -1180,6 +1285,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/hono-client-configuration/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/hono-client-configuration/"
                 />
@@ -1232,6 +1342,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/amqp-network-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/amqp-network-config/"
                 />
@@ -1284,6 +1399,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/secure_communication/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/secure_communication/"
                 />
@@ -1336,6 +1456,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/admin-guide/monitoring-tracing-config/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/admin-guide/monitoring-tracing-config/"
                 />
@@ -1388,6 +1513,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/dev-guide/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/dev-guide/"
                 />
@@ -1440,6 +1570,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/dev-guide/building_hono/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/dev-guide/building_hono/"
                 />
@@ -1492,6 +1627,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/dev-guide/java_client_consumer/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/dev-guide/java_client_consumer/"
                 />
@@ -1544,6 +1684,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/dev-guide/custom_http_adapter/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/dev-guide/custom_http_adapter/"
                 />
@@ -1596,6 +1741,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/"
                 />
@@ -1648,6 +1798,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/telemetry/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/telemetry/"
                 />
@@ -1700,6 +1855,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/event/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/event/"
                 />
@@ -1752,6 +1912,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/command-and-control/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/command-and-control/"
                 />
@@ -1804,6 +1969,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/tenant/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/tenant/"
                 />
@@ -1856,6 +2026,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/device-connection/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/device-connection/"
                 />
@@ -1908,6 +2083,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/device-registration/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/device-registration/"
                 />
@@ -1960,6 +2140,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/credentials/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/credentials/"
                 />
@@ -2012,6 +2197,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/authentication/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/authentication/"
                 />
@@ -2064,6 +2254,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/management/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/management/"
                 />
@@ -2116,6 +2311,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/api/metrics/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/api/metrics/"
                 />
@@ -2168,6 +2368,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/deployment/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/deployment/"
                 />
@@ -2220,6 +2425,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/deployment/helm-based-deployment/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/deployment/helm-based-deployment/"
                 />
@@ -2272,6 +2482,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/deployment/openshift/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/deployment/openshift/"
                 />
@@ -2324,6 +2539,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/deployment/create-kubernetes-cluster/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/deployment/create-kubernetes-cluster/"
                 />
@@ -2376,6 +2596,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/deployment/resource-limitation/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/deployment/resource-limitation/"
                 />
@@ -2428,6 +2653,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/architecture/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/architecture/"
                 />
@@ -2480,6 +2710,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/architecture/component-view/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/architecture/component-view/"
                 />
@@ -2532,6 +2767,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/architecture/auth/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/architecture/auth/"
                 />
@@ -2584,6 +2824,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/categories/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/categories/"
                 />
@@ -2636,6 +2881,11 @@
                 />
     <xhtml:link
                 rel="alternate"
+                hreflang="1.8"
+                href="https://www.eclipse.org/hono/docs/1.8/tags/"
+                />
+    <xhtml:link
+                rel="alternate"
                 hreflang="1.7"
                 href="https://www.eclipse.org/hono/docs/1.7/tags/"
                 />
diff --git a/docs/1.0/tags/index.html b/docs/1.0/tags/index.html
index 636fe5a..70a239a 100644
--- a/docs/1.0/tags/index.html
+++ b/docs/1.0/tags/index.html
@@ -21,21 +21,21 @@
     <title>Tags :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/tags/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/tags/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/tags/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/tags/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/tags/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/tags/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/tags/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/tags/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/tags/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/tags/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/tags/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/tags/">dev</option>
@@ -2568,19 +2618,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/amqp-adapter/index.html b/docs/1.0/user-guide/amqp-adapter/index.html
index 61022ba..2e32a9d 100644
--- a/docs/1.0/user-guide/amqp-adapter/index.html
+++ b/docs/1.0/user-guide/amqp-adapter/index.html
@@ -21,21 +21,21 @@
     <title>AMQP Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/amqp-adapter/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/amqp-adapter/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/amqp-adapter/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/amqp-adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/amqp-adapter/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/amqp-adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/amqp-adapter/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/amqp-adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/amqp-adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/amqp-adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/amqp-adapter/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/amqp-adapter/">dev</option>
@@ -3044,19 +3094,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/device-registry/index.html b/docs/1.0/user-guide/device-registry/index.html
index 454ec3d..40f9978 100644
--- a/docs/1.0/user-guide/device-registry/index.html
+++ b/docs/1.0/user-guide/device-registry/index.html
@@ -21,21 +21,21 @@
     <title>Device Registry :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/device-registry/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/device-registry/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/device-registry/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/device-registry/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/device-registry/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/device-registry/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/device-registry/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/device-registry/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/device-registry/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/device-registry/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/device-registry/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/device-registry/">dev</option>
@@ -3019,19 +3069,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473411"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473411"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473411"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473411"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473411"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473411"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473411"></script>
-    <script src="/hono/docs/js/learn.js?1621473411"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473411"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473411" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473411"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/http-adapter/index.html b/docs/1.0/user-guide/http-adapter/index.html
index c85b5b6..a03f6b0 100644
--- a/docs/1.0/user-guide/http-adapter/index.html
+++ b/docs/1.0/user-guide/http-adapter/index.html
@@ -21,21 +21,21 @@
     <title>HTTP Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/http-adapter/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/http-adapter/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/http-adapter/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/http-adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/http-adapter/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/http-adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/http-adapter/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/http-adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/http-adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/http-adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/http-adapter/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/http-adapter/">dev</option>
@@ -3263,19 +3313,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473411"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473411"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473411"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473411"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473411"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473411"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473411"></script>
-    <script src="/hono/docs/js/learn.js?1621473411"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473411"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473411" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473411"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
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diff --git a/docs/1.0/user-guide/index.html b/docs/1.0/user-guide/index.html
index 7aa6264..a30e497 100644
--- a/docs/1.0/user-guide/index.html
+++ b/docs/1.0/user-guide/index.html
@@ -21,21 +21,21 @@
     <title>User Guide :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
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-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
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-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
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 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/">dev</option>
@@ -2571,19 +2621,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
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diff --git a/docs/1.0/user-guide/jmeter_load_tests/index.html b/docs/1.0/user-guide/jmeter_load_tests/index.html
index ba13f81..fb0afc2 100644
--- a/docs/1.0/user-guide/jmeter_load_tests/index.html
+++ b/docs/1.0/user-guide/jmeter_load_tests/index.html
@@ -21,21 +21,21 @@
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-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
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-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559525"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559525"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559525"></script>
 
     
   </div>
@@ -1309,6 +1309,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/jmeter_load_tests/">1.4</option>
@@ -1339,6 +1341,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/jmeter_load_tests/">1.3</option>
@@ -1369,6 +1373,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/jmeter_load_tests/">1.2</option>
@@ -1399,6 +1405,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/jmeter_load_tests/">1.1</option>
@@ -1429,6 +1437,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/jmeter_load_tests/" selected>1.0</option>
@@ -2472,19 +2482,19 @@
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       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/kura-adapter/index.html b/docs/1.0/user-guide/kura-adapter/index.html
index 9d1d0a6..8a6257c 100644
--- a/docs/1.0/user-guide/kura-adapter/index.html
+++ b/docs/1.0/user-guide/kura-adapter/index.html
@@ -21,21 +21,21 @@
     <title>Kura Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/kura-adapter/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/kura-adapter/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/kura-adapter/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/kura-adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/kura-adapter/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/kura-adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/kura-adapter/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/kura-adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/kura-adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/kura-adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/kura-adapter/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/kura-adapter/">dev</option>
@@ -2673,19 +2723,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/mqtt-adapter/index.html b/docs/1.0/user-guide/mqtt-adapter/index.html
index 32efe3d..30dd098 100644
--- a/docs/1.0/user-guide/mqtt-adapter/index.html
+++ b/docs/1.0/user-guide/mqtt-adapter/index.html
@@ -21,21 +21,21 @@
     <title>MQTT Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559525" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559525" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559525" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559525"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/mqtt-adapter/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/mqtt-adapter/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/mqtt-adapter/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/mqtt-adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/mqtt-adapter/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/mqtt-adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/mqtt-adapter/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/mqtt-adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/mqtt-adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/mqtt-adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/mqtt-adapter/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/mqtt-adapter/">dev</option>
@@ -2944,19 +2994,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/1.0/user-guide/sigfox-adapter/index.html b/docs/1.0/user-guide/sigfox-adapter/index.html
index edb1210..90db1fe 100644
--- a/docs/1.0/user-guide/sigfox-adapter/index.html
+++ b/docs/1.0/user-guide/sigfox-adapter/index.html
@@ -21,21 +21,21 @@
     <title>Sigfox Adapter :: Eclipse Hono&trade; Vers.: 1.0</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1621473410" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/atom-one-dark-reasonable.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1621559526" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/theme-hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/theme-hono.css?1621559526" rel="stylesheet">
     
-    <link href="/hono/docs/css/hono.css?1621473410" rel="stylesheet">
+    <link href="/hono/docs/css/hono.css?1621559526" rel="stylesheet">
 
-    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621473410"></script>
+    <script src="/hono/docs/js/jquery-3.3.1.min.js?1621559526"></script>
 
     <style>
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621473410"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1621559526"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1621559526"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/1.0";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1621473410"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1621559526"></script>
 
     
   </div>
@@ -1303,7 +1303,39 @@
                   
                     
                     
-                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/sigfox-adapter/">stable (1.7)</option>
+                      <option id="stable" value="https://www.eclipse.org/hono/docs/user-guide/sigfox-adapter/">stable (1.8)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.8" value="https://www.eclipse.org/hono/docs/1.8/user-guide/sigfox-adapter/">1.8</option>
                     
                   
               
@@ -1331,6 +1363,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.7" value="https://www.eclipse.org/hono/docs/1.7/user-guide/sigfox-adapter/">1.7</option>
@@ -1361,6 +1395,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.6" value="https://www.eclipse.org/hono/docs/1.6/user-guide/sigfox-adapter/">1.6</option>
@@ -1391,6 +1427,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.5" value="https://www.eclipse.org/hono/docs/1.5/user-guide/sigfox-adapter/">1.5</option>
@@ -1421,6 +1459,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.4" value="https://www.eclipse.org/hono/docs/1.4/user-guide/sigfox-adapter/">1.4</option>
@@ -1451,6 +1491,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.3" value="https://www.eclipse.org/hono/docs/1.3/user-guide/sigfox-adapter/">1.3</option>
@@ -1481,6 +1523,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.2" value="https://www.eclipse.org/hono/docs/1.2/user-guide/sigfox-adapter/">1.2</option>
@@ -1511,6 +1555,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="https://www.eclipse.org/hono/docs/1.1/user-guide/sigfox-adapter/">1.1</option>
@@ -1541,6 +1587,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="https://www.eclipse.org/hono/docs/1.0/user-guide/sigfox-adapter/" selected>1.0</option>
@@ -1571,6 +1619,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="https://www.eclipse.org/hono/docs/dev/user-guide/sigfox-adapter/">dev</option>
@@ -2696,19 +2746,19 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621473410"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621473410"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1621473410"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1621473410"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1621473410"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1621559526"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1621559526"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1621559526"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1621559526"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1621559526"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621473410"></script>
-    <script src="/hono/docs/js/learn.js?1621473410"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1621473410"></script>
+    <script src="/hono/docs/js/modernizr.custom-3.6.0.js?1621559526"></script>
+    <script src="/hono/docs/js/learn.js?1621559526"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1621559526"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1621473410" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1621473410"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1621559526" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1621559526"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>