An image has surfaced online of what appears to be a Kinect 2.0 development screen. It was posted DaE who leaked images of the Durango dev kit not long ago (See here). The veracity of those images was confirmed by Digital Foundry, supporting the legitimacy of this image:
It shows a greater depth of field and most noticeable is the recognition of the individual fingers of the person on the left. The silhouettes are much more distinct than with the current Kinect. This hasn’t been confirmed yet and Microsoft haven’t commented.