WordPress 2.2.1 is now available. 2.2.1 is a bug fix release for the 2.2 series. Here are some highlights.
- Atom feed validation fixes
- XML-RPC fixes
- Widget backward compatibility fixes
- Widget layout fixes for IE7
- Page and Text Widget improvements
Special thanks to Alexander Concha for his continued assistance in making WordPress more secure
P/S : You must upgrade to this version. It’s all about security on your blog. How to upgrade? Upgrade in Five Steps