The Joomla team have released Joomla 2.5.4 and associated patch files. This is a pretty low priority security release patching an information disclosure issue and a potential xss vulnerability. It does add 3 new features however.
- Add option to show full CMS version number in generator tag
Implementing Access levels for Content Languages
Make the auto-update process more reliable across different hosts
details here
http://www.joomla.org/announcements/release-news/5419-joomla-1526-released.html
and here
http://developer.joomla.org/security/news/9-security/10-core-security/396-20120305-core-password-change