Couple of weeks back Apple released iTunes Match Beta 6.1 for MAC and developers only. There was no iTunes Match for windows out and still no release for Windows yet. The day before yesterday Apple released iTunes 10.5 Beta 8 with (iTunes Match) enabled for developers.

Today Apple sent out Email to registered Developers regarding iTunes Match that the company has opened iTunes Match for more Developers in the U.S.

iTunes Match beta testing has now been expanded to additional developers in the United States. 

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, or computer. Any of your songs, including music you’ve imported from CDs, that matches with the 18 million songs in the iTunes Store will become available in iCloud and will play back at iTunes Plus quality (256 Kbps DRM-free AAC) — even if your original was of a lower quality.

It has been also notified by Apple that all iCloud libraries will be deleted after the end of Beta testing period, so it is highly recommended that users should take a full backup from iCloud and save their files.

iTunes Match is available for $24.99 per year to Developers who are signing up for it and Apple will be providing extra time for subscription after the public launch is made.