Apple has just posted the following updates for Mac users:
iTunes 10.6: Adds 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
iPhoto 9.2.2: Photos can now be deleted from Photo Stream
GarageBand 6.0.5: Supports general compatibility and addresses overall stability and performance, including the following:
• Updates compatibility with GarageBand for iOS projects
• Fixes a playback issue with the GarageBand Lesson preview videos
• Corrects issues with some software instruments triggering incorrect or stuck notes
All three are available via Software Update and also as standalone installers.