Apple today released Apple TV 4.4 (3140) which offers:
AirPlay Mirroring:
Wireless mirroring functionality over AirPlay. Now you can stream whatever’s on your iPad 2 to your HDTV via Apple TV.
Photo Stream:
View photos recently taken on your iOS device and pushed to your Photo Stream in iCloud.
Trailers:
A whole new way to browse and view hundred of the latest theatrical trailers.
National Hockey Leage:
Watch live games. View highlights, scores, and more.
Wall Street Journal Live:
Watch up-to-date news, business commentary, and financial analysis from leading experts.
Apple TV users can download and install the update from their Apple TV’s in Settings>General>Update Software.