Recently iTunes has been updated to 10.2 and it is available for Download.
What’s new in iTunes 10.2?
• 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.
You can download iTunes 10.2 from here.
