• Sync with your iPhone, iPad, or iPod touch with iOS 4.3.
• Improved Home Sharing. Browse and play from your iTunes libraries with Home Sharing on any iPhone, iPad, or iPod touch with iOS 4.3.
For information on the security content of this update, please visit: http://support.apple.com/kb/HT4554
As always, fire up Software Update or head over to the iTunes page on Apple’s site to download.