Android 6.0 "Marshmallow" is an upcoming update to the Android mobile operating system, most likely to be released in Q3 2015 ("tentatively slated for September"), with its third and final preview released on August 17, 2015.Marshmallow will primarily focus on improving the overall user experience, and will bring a few features such as a redesigned permission model in which applications are no longer automatically granted all of their specified permissions at installation time, Doze power scheme for extended battery life when a device is not manipulated by the user, and native support for fingerprint recognition.