Apple just released iTunes 10.4.1, fixing minor bugs and some improvements. You can upgrade from Apple’s website or from the tool update software on your Macs.
Download iTunes 10.4.1 >> Apple.com/iTunes
Changes and improvements:
- Fixes issue where the media keys of some keyboards may not function properly unofficial.
- Solve problems by adding photos to music and video.
- Fixes a problem when buying a movie in high definition.
- Solve the delay to open the Mac out the rest.
- Fixes compatibility with VoiceOver.
After testing it seems that jailbroken iPhone are compatible with latest version of iPhone. Synchronization, restore, custom firmwares everything works smooth.