* $wgAutopromote: automatically promote users who match specified criteria
* $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf: allow users to add or remove
themselves from specified groups via Special:Userrights.
+* When $wgUseTidy has been enabled, PHP's Tidy module is now used if it is
+ present, in preference to an external Tidy executable which may or may not
+ be present. To force use of external Tidy even when the PHP module is
+ available, set $wgTidyInternal to false.
+
=== New features in 1.12 ===
* (bug 10735) Add a warning for non-descriptive filenames at Special:Upload