Minutes ago, Apple released new versions of iTunes for Mac OS X and Windows, addressing issues with music video playback on Macintosh computers, and adding AirPlay support for PC users, to name the most noteworthy changes. Immediately available as a free download for Mac users worldwide, iTunes 10.1.1 provides important bug fixes, according to the Cupertino, California-based giant. Apparently, some users where having trouble playing music videos on Macs equipped with NVIDIA GeForce 9400 and 9600 graphics, while those attempting to sync music videos to their iPod, iPhone, or iPad should also see some improvements. The official changelog is reproduced below. What's new in iTunes 10.1.1 This release provides a number of important bug fixes, including: • 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. On the Windows side, iTunes 10.1 comes with several new features and improvements. These include AirPlay support, the ability to sync with an iOS device running firmware 4.2, and the usual bag of stability and performance improvements, Apple revealed today. What's new in iTunes 10.1 - Use AirPlay to instantly and wirelessly stream videos from iTunes to the all-new Apple TV. - Sync with your iPhone, iPad, or iPod touch with iOS 4.2. - Provides a number of important stability and performance improvements. On the Mac front, the new iTunes release is availabe for Mac OS X 10.5 (Leopard) and 10.6 (Snow Leopard) users. For Window users, iTunes 10.1 requires Windows Vista - 64 bit or Windows 7 - 64 bit.