Drupal 6.3 and 5.8 released, fixing security issues
Drupal 6.3 and Drupal 5.8, maintenance releases fixing problems reported using the bug tracking system, as well as security vulnerabilities, are now available for download. Drupal 6.3 also includes some changes to the installer to prevent file ownership issues on shared hosts; upgrades jQuery to version 1.2.6; improves PostreSQL compatibility; fixes performance issues in search, menu and form API and contains a variety of other small improvements. It should also be noted that the Views for Drupal 6 release candidate requires Drupal 6.3 to run properly.
Upgrading your existing Drupal 5 and 6 sites is strongly recommended. There are no new features in these releases, but we fixed some notable performance issues too. For more information about the Drupal 6.x release series, consult the Drupal 6.0 release announcement, more information on the 5.x releases can be found in Drupal 5.0 release announcement.