Support extension of button group lists

Change-Id: Id7e1c5dfcac9cb2963891e0e9e2f045e0c5a26f6
diff --git a/Changes b/Changes
index a2aeefb..6a3ed5a 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.43 2021-07-23
+0.43 2021-07-26
         - New menu class that has an entry at the very end,
           similar to the input text prefix,
           that is always available (lerepp).
@@ -10,6 +10,7 @@
           as a CSP rule.
         - Fix CSS compression for new SASS compiler.
         - Support dynamic menu extensions.
+        - Dynamically extend buttongroup menus.
 
 0.42 2021-06-18
         - Added GitHub based CI for perl.