Merge pull request #255 from zammad/mh/deprecate-IE

Deprecate IE for Zammad 7

Author: MrGeneration

prerequisites/software.rst

@@ -23,10 +23,15 @@ requirements for your clients. This ensures that Zammad works as expected.
    * - Opera 69+
      - (based on Chromium 83)
    * - Microsoft Internet Explorer 11
-     -
+     - ⚠️ Deprecated, will be removed with Zammad 7
    * - Safari 11
      -
 
+.. danger:: ⚠️ Deprecation warning ⚠️
+
+   Zammad 7 will no longer support Internet Explorer 11 environments.
+   Users using IE will be forced to use a different browser.
+
 .. note::
 
    | Zammad heavily uses Javascript which makes it a hard requirement.