+* The JavaScript global variable wgLoadScript has been removed. Use
+ mw.util.wikiScript( 'load' ) instead.
+* ResourceLoader no longer creates the 'mw.legacy' placeholder object. It has
+ been unused since 1.16 and was deprecated in 1.22. To deprecate a property
+ in JavaScript, use mw.log.deprecate() instead.
+* The 'user.groups' module, deprecated in 1.28, was removed.
+ Use the 'user' module instead.
+* The ability to override User::$mRights has been removed.
+* Previously, when iterating ResultWrapper with foreach() or a similar
+ construct, the range of the index was 1..numRows. This has been fixed to be
+ 0..(numRows-1).