Apple TV Updated to version 5.0.1
Apple has updated the Apple TV’s to version 5.0.1.
This update includes:
Previews for movies and TV shows from the iTunes Store can now be viewed in HD.
Fixes an issue that caused some iOS apps to have trouble connecting via AirPlay.
Improves the reliability of Home Sharing connections.
Addresses an issue affecting Netflix login and navigation.
Stability and performance
Includes fixes for issues affecting stability and performance.
And Firecore are advising you to steer clear of the update if you want to jailbreak.