README file updated, version incremented to 2.12.4

Author: Svyatoslav Shaforenko

README.md

@@ -16,7 +16,7 @@ Check out our [API Reference](https://quickblox.github.io/quickblox-javascript-s
 ## Dependencies for browser
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/quickblox/2.12.2/quickblox.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/quickblox/2.12.4/quickblox.min.js"></script>
 ```
 
 ## Bower and RequireJS
@@ -62,6 +62,10 @@ var QB2 = new QuickBlox();
 
 You can look at it here https://quickblox.com/developers/Javascript
 
+# Known issues
+
+- We are recommend you to use BOSH chat protocol instead of WebSockets for EI/Edge browsers.
+
 # Questions and feedback
 
 Please raise questions, requests for help etc. via https://stackoverflow.com/questions/tagged/quickblox

package.json

@@ -1,7 +1,7 @@
 {
   "name": "quickblox",
   "description": "QuickBlox JavaScript SDK",
-  "version": "2.12.3",
+  "version": "2.12.4",
   "homepage": "https://quickblox.com/developers/Javascript",
   "main": "src/qbMain.js",
   "license": "(Apache-2.0)",