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.
