User::isValidUserName() and User::isValidPassword(), extensions can now do
these checks without rewriting code.
* Fix $wgSiteNotice when MediaWiki:Sitenotice is set to default '-'
+* Fixed a bug where the watchlist count without talk pages would be off by a
+ factor of two.
+* upgrade1_5.php uses insert ignore, allows to skip image info initialization
+* Fix namespaces in category list.
+* Add rebuildImages.php to update image metadata fields
+* Special:Ancientpages is expensive in new schema for now
+* (bug 2568) Fixed a logic error in the Special:Statistics code which caused
+ the displayed percentage of admins to be totally off.
+* (bug 2560) Don't show blank width/height attributes for missing size
+* Don't show bogus messages about watchlist notifications when disabled
+* Don't show old debug messages in watchlist
+* (bug 2576) Fix recording of transclusion links
+* (bug 2577) Allow sysops to enter non-standard block times
+* Fixed a bug where Special:Contributions wouldn't remember the 'invert'
+ status between next/previous buttons.
+* Move MonoBook printable link from tab to sidebar
+* (bug 2567) Fix HTML escaping on category titles in list
+* (bug 2562) Show rollback link for current revisions on diff pages
+* (bug 2583) Add --missinig option on rebuildImages.php to add db entries
+ for uploaded files that don't have them
+
=== Caveats ===