* (bug 918) Search index incorrectly joined words at == headings ==
* (bug 3877) Render math images into temp directory, then move to hashed
subdir so you can render new math images and have them work
+* (bug 3797) Don't expand variables and sigs in comments
+* (bug 3666) Don't spew PHP warnings in prefs on unrecognized site language
+* (bug 2392) Fix Atom items content type, upgrade to Atom 1.0
+* Allow $wgFeedCacheTimeout of 0 to disable feed caching
+* Fix WebRequest::getRequestURL() to strip off the host bits squid prepends
+* Require POST for action=purge, to stop bots from purging the cache
+* (bug 3817) Use localized date formats in preferences; 'no preference' option
+ localizable as 'datedefault' message. Tweaked lots of languages files...
+* Added local message cache feature ($wgLocalMessageCache), to reduce bandwidth
+ requirements to the memcached server.
+* Forbid usernames that can be interpreted as titles with namespaces, as that
+ leads to hard-to-manage names.
+* (bug 2721) Regression: Use European number separators for vi: wikis
+
=== Caveats ===