Some owners of the Lumia 650 can now reportedly get the double tap to wake firmware update via the Windows Device Recovery Tool (WDRT). The update is not yet available for all Lumia 650's, however, and is likely dependent on your phone's region code i.e. our U.S. Lumia 650 does not show the firmware update on the server yet.
Full story from the WindowsCentral blog...
Full story from the WindowsCentral blog...