RIM let us know that BlackBerry Messenger 188.8.131.52 is now available to BetaZone members. If you are not a member of BetaZone you can sign up here. If you are already a member you can find it here. This release is supposed to help with some of the issues on OS7.
BBM icon missing after upgrading
EULA only appeared after attempting to open a Group
User name and status in contacts carousel do not update when changed in public connection
BBM EULA pops up and disappears before accepting it
Issues courtesy of CrackBerry.com