WordPress released a new version on Sept. 8. From their website,

2.2.3 is a security and bug-fix release for the 2.2 series. Since this is a security release, we suggest you upgrade immediately. Two of the fixes are high priority.

You can read more and download the new version here.

In other realted WordPress news, WordPress 2.3 beta 3 has been released. This is the final beta version of 2.3, which will ship on Sept. 24th. Keep your fingers crossed. New versions of WordPress can be scary.