WordPress released version 2.5.1 over the weekend. According to the announcement:

It includes a number of bug fixes, performance enhancements, and one
very important security fix. We recommend everyone update immediately,
particularly if your blog has open registration. The vulnerability is
not public but it will be shortly.

If you download the entire 2.5.1 release, you will be getting over 70 other fixes. 2.5.1 focuses on fixing the most annoying bugs and improving performance. Here are some highlights:

  • Performance improvements for the Dashboard, Write Post, and Edit Comments pages.
  • Better performance for those who have many categories
  • Media Uploader fixes
  • An upgrade to TinyMCE 3.0.7
  • Widget Administration fixes
  • Various usability improvements
  • Layout fixes for IE

You can download WordPress 2.5.1 here.