Hot on the heels of the most successful iPhone release of all time, Apple has just released iOS 5.1 for the Apple TV, bringing with it new features that make it compatible with iOS 6 devices. Like what? Well, for starters, the device now supports the new Shared Photo Stream that you'll find in iOS 6 and iPhoto in Mountain Lion. There are also AirPlay feature additions and enhancements, new slideshow screensavers, the ability to reorder app icons on the main menu, and more. Hit the break for the full rundown, and hit up the settings area on your Apple TV to grab the update.