You change-log and download links for iTunes 10.6 follows
You can also download iTunes 10.6 directly from Apple using the following link
The Apple iTunes 10.6 update has the following new features and improvements:
- The ability to play 1080p HD movies and TV shows from the iTunes Store.
- This release also includes many improvements for iTunes Match, including:
- Improved song matching
- Improved album artwork handling, downloading, and display
- Addresses an issue where songs may skip when playing from iCloud
You should receive an automatic notification to update to iTunes 10.6 when you open the application