I use an Xbox one controller with the xone Linux driver and it works like a charm over wired and dongle. If you do use it make sure to use the linked repo which is an active fork of the original driver, which was abandoned.

Only works for those of us who own a pixel or bought one for the reason but this won’t effect Graphene users

http://www.fawanews.sc/ has been my goto. Streaming quality isn’t the best though.