diff --git a/FeatureRequest.md b/FeatureRequest.md
index b3a389fa..1a09d17d 100644
--- a/FeatureRequest.md
+++ b/FeatureRequest.md
@@ -11,6 +11,16 @@
 
 ____
 
+#### #14 Backup and restore option for configuration
+
+* https://github.com/jomjol/AI-on-the-edge-device/issues/459
+
+* Implement a zip file compression for store and restore
+
+* Update the html to handle it
+
+  
+
 #### #13 Manage non linear gauge without CNN re-training
 
 * https://github.com/jomjol/AI-on-the-edge-device/issues/443
diff --git a/README.md b/README.md
index 3ec60b17..1b891762 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,10 @@ In other cases you can contact the developer via email: <img src="https://raw.gi
 
 ------
 
+##### Rolling (2021-12-23)
+
+- Removed regex constrain from MQTT topic
+
 ##### Rolling (2021-12-12)
 
 - Corrected error handling: in case of error (too high rating, negative rate, ...) value, rate, timestamp are not transmitted any more - only the error text itself is send
diff --git a/firmware/html.zip b/firmware/html.zip
index 9a9e9867..10550844 100644
Binary files a/firmware/html.zip and b/firmware/html.zip differ
diff --git a/sd-card/html/readconfigparam.js b/sd-card/html/readconfigparam.js
index 1c2f5c63..9c3fff5e 100644
--- a/sd-card/html/readconfigparam.js
+++ b/sd-card/html/readconfigparam.js
@@ -85,7 +85,7 @@ function ParseConfig() {
      category[catname]["found"] = false;
      param[catname] = new Object();
      ParamAddValue(param, catname, "Uri");
-     ParamAddValue(param, catname, "MainTopic", 1, false, [/^([a-zA-Z0-9_-]+\/){0,10}[a-zA-Z0-9_-]+$/]);
+     ParamAddValue(param, catname, "MainTopic", 1, false);
      ParamAddValue(param, catname, "ClientID");
      ParamAddValue(param, catname, "user");
      ParamAddValue(param, catname, "password");
diff --git a/sd-card/html/version.txt b/sd-card/html/version.txt
index fcfed5b0..86b57ebe 100644
--- a/sd-card/html/version.txt
+++ b/sd-card/html/version.txt
@@ -1 +1 @@
-11.3.0
\ No newline at end of file
+11.4.0
\ No newline at end of file