Apple has released a small update to iTunes 10.1, which, in addition to addressing a couple of bugs that could affect performance and sometimes result in the program crashing, also includes a couple of enhancements for syncing to iOS devices and using AirPlay to stream videos to Apple TV. The update should be available in Software Update, or you can visit the iTunes 10.1.1 Web page and download a standalone installer for the software.
The update specifically fixes the following features:
Addresses an issue where some music videos may not play on Macs equipped with Nvidia GeForce 9400 or 9600 graphics.
Resolves an issue where iTunes may unexpectedly quit when deleting a playlist that has the iTunes Sidebar showing.
Fixes a problem where iTunes may unexpectedly quit when connecting an iPod to a Mac equipped with a PowerPC processor.
Addresses an issue where some music videos may not sync to an iPod, iPhone, or iPad.
In addition to the bug fixes, Apple has included new AirPlay and synchronization features:
Use AirPlay to instantly and wirelessly stream videos from iTunes to the new Apple TV.
Sync with your iPhone, iPad, or iPod Touch with iOS 4.2.
Provides a number of important stability and performance improvements.
As always, be sure to back up your system before installing the update. The update requires OS X 10.5 or later, and is a 90.5MB download for OS X. More information about the update can be found at the iTunes 10.1.1 release Web page.