they bypassed 1.7, 1.8, 1.9 also. they don't HAVE to make more. i'm guessing the first number, for instance 2 in 2.0, means version 2, and 2.1 is an update to 2.0. since the UI is supposed to be hella different, it will be like a whole new OS(asthetically), so the'll call it 3.0.