We updated the leaked BlackBerry Messenger post last night, but for those that didn't see it, BlackBerry Messenger is now officially available. The update includes some small tweaks here and there, including picture previews, smaller status text, improved groups and more. The update will install right over your older version, but we highly recommend a full backup before you get going. You can snag the new version in BlackBerry App World or by heading over to on your device browser.