** editmyoptions controls whether a user may change their preferences.
* Add new hook AbortTalkPageEmailNotification, this will be used to determine
whether to send the regular talk page email notification
+* Action classes registered in $wgActions are now also supported in the form of
+ a callback (which returns an instance of Action) instead of providing the name
+ of a subclass of Action.
* (bug 46513) Vector: Add the collapsibleTabs script from the Vector extension.
* Added $wgRecentChangesFlags for defining new flags for RecentChanges and
watchlists.