WordPress 2.6 has officially been released. The new version includes almost 200 bugfixes (see full list) and now includes some of new features as well like post versioning, drag and drop sorting for galleries, word count, image captions, separation of active and inactive plugins, and more. For more information on WordPress version 2.6, read the official WordPress version 2.6 documentation.
Download the latest versions of WordPress: WordPress 2.6