Apple on Tuesday updated its iTunes software, which improves support for iOS 4.3.

According to notes provided with the update, iTunes 10.2.1 will allow you to sync with your iPhone, iPad, or iPod touch with iOS 4.3. The update also includes improved Home Sharing and the ability to browse and play from your iTunes libraries with Home Sharing on any iPhone, iPad, or iPod touch with iOS 4.3.

The update is available from the software update mechanism in Mac OS X or from the company’s Web site.