The WordPress team has released version 2.5.1 of the blogging software. The new version, which comes nearly a month after the initial release fixes a slew of performance and interface bugs, but also includes a very important security update. It is highly reccommended that all WordPress 2.5 users update their installations as soon as possible, especially if you allow open-registration (for user comments or for multi-author blogs).
In addition to the aforementioned security patch, 2.5.1 contains a number of fixes to issues that have plagued some WordPress users for the last couple of weeks.
The highlights include
Download the latest version of WordPress from their site and update your installations accordingly.