Apple today released a software update for the Apple TV but has yet to reveal any details of the update. Apple TV 3.0.2 is said by users who have updated to make no noticeable changes.
Until Apple releases a related support article smart speculation suggests that the update simply brings compatibility with Aperture 3 which was released yesterday.
Apple TV 3.0 was released in October last year bringing major UI changes and iTunes LP playback capabilities.
2009 Aluminum Keyboard Firmware Update 1.0
This firmware update improves battery performance of the 2009 Aluminum Apple Wireless Keyboard when used in combination with other Bluetooth devices (example. Magic Mouse, Bluetooth headsets).