Apple seeded developers with iTunes 10.5.1 beta 2 late last evening, and also added iTunes Match to the second-generation Apple TV under the new main menu option “Music.” According to Apple’s release notes, iTunes 10.5.1 beta 2 offers stability and performance improvements for iTunes Match, and is a required update for all subscribers to the iTunes Match beta. Apple had promised to launch iTunes Match by the end of October, but missed…
