The expected launch of the iTunes 10.5 is on October 4th Apple event, but ahead of that, Apple has released several beta versions, and one of the most stable and best versions is just out, i.e. the iTunes 10.5 Beta 9. This version has been released after the changes like increased stability and better performance. This seems to be the most stable and last version before the public release on October 4th.

Here are a few changes that are seen –

• “Scan and match” feature is not yet complete. Some users’ tracks may not be recognized by iTunes Match even if the tracks are available in the iTunes Store, and those tracks will be uploaded to the users’ iCloud storage. Some tracks may also be mis-matched to a different version of the same song on the iTunes Store.
• Music can only be added to iCloud from one computer at a time.
• Updating an iOS device to iOS 5 beta 7 may result in music failing to play. Users should turn off iTunes Match in settings and then turn it back on to restore functionality.

The above features and changes were shown on Macrumors.

How to download the iTunes 10.5 Beta 9:
Here is the direct download link of the latest beta version of iTunes 10.5 – Click here.

Else, you can wait and try to update directly from your computer, i.e. the Software update in your Mac and the iTunes direct update option from the software in Windows OS. Apart from the iTunes, it would be the new iPhone that is expected to release on the same day, i.e. October 4th, where Apple at its main office is holding an event.