WordPress 2.6.3
WordPress 2.6.3 provides a security fix for a vulnerability found in the Snoopy library, which according to the project page is a “PHP class that simulates a web browser”.
Since this is a security upgrade, it’s best that you download the latest version immediately. But since only 2 files were updated, i.e. wp-includes/class-snoopy.php and wp-includes/version.php, you can also just grab those and replace the ones on your server.

