Apple has just released iTunes 10.5.1 Beta 2 to developers, and Apple has sent out the following email to developers. “iTunes 10.5.1 beta 2 is now available and includes a number of important stability and performance improvements. iTunes Match is also now available for testing on Apple TV. On your Apple TV, choose Music > Turn on iTunes Match. Please remember to backup regularly and do not delete the music you add to iCloud from your computer.” iTunes Match has been made available for Apple TV and this update also includes a number of bug fixes.