Download iTunes 10.5.1 Beta 3 For Windows And Mac OS X

 iTunes 10.5.1 beta 3 It is now available on iOS Developer Center. Apple mentioned in its email to registered developers that to subscribe to iTunes Match or continue the existing subscription,and this beta comes with iTunes Match, along with other performance and stability improvements.

From iOS Dev Center:

iTunes 10.5.1 beta 3 is now available. This update includes a number of important stability and performance improvements for iTunes Match.

iTunes Match stores your music library in iCloud and allows you to enjoy your collection from anywhere, any time, on your iPhone, iPad, iPod touch, computer or Apple TV.
In order to subscribe to iTunes Match, or continue using your existing subscription, please upgrade to iTunes 10.5.1 beta 3. Once upgraded, turn on iTunes Match on each of your computers and iOS devices. On your computer, choose Store > Turn on iTunes Match. On your iOS device, tap Settings >Music, then turn on iTunes Match. On your Apple TV, please turn off iTunes Match under Settings > General > iTunes Store.

The songs on your computer should not be affected. As always, please backup regularly and do not delete the music you add to iCloud from your computer.

 Download iTunes 10.5.1 beta 3 for Windows
Download iTunes 10.5.1 beta 3 for Windows 64 bit
Download iTunes 10.5.1 beta 3 for Mac OS X