Here's the breakdown:
- iLife Support -- this is for iLife '09, iWork '09 and Aperture 2 users and it addresses some memory leaks, custom folder issues with Media Browser and maintaining the correct image date when importing from iPhoto to Aperture.
- iDVD gets an update to fix an issue where iDVD is unable to add a title/comment to an image. Recommended for all iDVD 7 users.
- iMovie now supports 720p AVCHD Lite cameras and camcorders and some other issues.
- iPhoto -- some fixes to publishing to MobileMe, Flickr and Facebook, slideshow playback and location GPS in emailed and exported JPEGs See http://support.apple.com/kb/HT3532
- Digital Camera RAW update -- RAW support for iPhoto '08, iPhoto '09 and Aperture 2 for various Canon, Nikon and Olympus cameras.