Apple released an update to the second and third generation Apple TV OS Monday. Apple TV Software Update 5.1 adds shared photo streams, iTunes account switching, and new AirPlay options for streaming audio from the Apple TV to AirPlay speakers and devices.
The full list of changes and additions:
Shared Photo Streams: Accept invitations for Shared Photo Streams, browse photos and comments, and receive notifications of new content.
AirPlay: Send audio content from Apple TV to AirPlay-enabled speakers and devices (including AirPort Express and other Apple TVs). Also includes the ability to require an onscreen code to use AirPlay with your Apple TV.
iTunes Account Switching: Save multiple iTunes accounts and switch quickly between them.
Trailers: Search movie trailers. In the United States, see show times for local theaters.
Screen Savers: New Cascade, Shrinking Tiles, and Sliding Panels screen savers.
Main Menu: Reorder icons on the second page by holding down the select button on the remote.
Subtitles: SDH support for the deaf and hard-of-hearing as well as improvements to viewing and selecting subtitles.
Network Configuration: Support for setting up advanced network options using configuration profiles. See http://support.apple.com/kb/HT5437 for more information.
Stability and Performance: Includes general performance and stability improvements.
The Apple TV Software Update 5.1 can be downloaded by navigating to Settings > General > Update Software on second and third generation Apple TVs. Release notes identifying the above-mentioned changes can be found on Apple’s Support page.