Apple TV Software Beta 4 Released To Developers
The new update has tackled issues that were affecting some Apple TV to show the wrong resolution, as well as issues making the Apple TV to restart without warning while using the Remote app.
Other fixes include, errors that occurred when changing the system language, and issues when the Photo Stream would not load when you login for a second time, as well as music not playing during photo slideshow.
All the updated version are now available to registered Apple developers to download and put through their paces.
Souce
Souce