+* (bug 21222) When $wgUseTeX is not enabled, <math> is no longer registered with
+ the parser so extensions are free to implement their own <math> tag
+* (bug 21047) Wrap 'cannotdelete' into a div with the generic 'error' class and
+ an own 'mw-error-cannotdelete' class
+* New hook AbortNewAccountAuto, called before account creation from AuthPlugin-
+ or ExtUser-driven requests.
+* (bug 3480) The warning saying that the page has a history when deleting it now
+ contains the number of revisions in the history
+* $wgStylePath and $wgLogo are now set in the default LocalSettings.php file.
+* (bug 20186) Allow filtering history for revision deletion.