vBulletin announced the release of vBulletin 4.2, which is a major release. This release comes with new features like activity stream and some bug fixes.
All of our vBulletin 4.x styles have been upgraded to vBulletin 4.2.0. You can safely upgrade your forums to latest version and download the latest 4.2.0 vBulletin skins from the dashboard.
If you have any questions or concerns, please feel free to join the discussion.