Amazon has made it so that users of the Amazon Fire TV with the pendant design can no longer use the official Amazon Fire TV Game Controller. The controller is incompatible with the Fire TV device after the latest 6.2.5.3 software update for the third-generation device is applied. Scuttlebutt suggests that the Fire TV Cube will also soon lose

Source: Hot Hardware – Amazon’s Own Fire TV Gamepad No Longer Supported By Newer Fire TVs