Though the iPhone 3GS is still being sold as new and listed as supported hardware for iOS 6, Apple has cautioned owners of the 3GS, the iPhone 4 and even the iPad 2 that some features available to newer models would not be supported, even though the overall OS upgrade was. Developers were thus surprised to learn that Apple appears to have slightly expanded the features supported for the 3GS in iOS 6 Beta 3, with the phone gaining Shared Photo Streams and VIP mail filters.