iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
Apple Seeds iOS 5.1 Beta 2 to Developers, Enables Photo Stream Photo Deletion
Apple has released iOS 5.1 Beta 2 to developers, with a build number of 9B5127c. The biggest change is the addition of a much-requested feature related to the management of photos in the Photo Stream:
NEW: Photos taken using iOS 5.1 can be deleted from Photo Stream on your device and will be removed automatically from Photo Stream on your other iOS 5.1 devices. Older photos can be manually deleted from your iOS 5.1 devices.New versions of Xcode 4.3 and Apple TV software were also released. iOS 5.1 Beta 1 was seeded two weeks ago on November 28.