* MediaWiki now checks if serialized files are out of date. New configuration
variable $wgCheckSerialized can be set to false to enable old behavior (i.e.
to not check and assume they are always up to date)
-* The rollback permission is now be rate-limited using the normal mechanism.
+* The rollback permission can now be rate-limited using the normal mechanism.
* New configuration variable $wgExtraLanguageNames
* Behaviour of $wgAddGroups and $wgRemoveGroups changed. New behaviour:
* * Granting the userrights privilege allows arbitrary changing of rights.