"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Apple TV Running Full Mac OS X
At this time, the 14 step hack requires opening the Apple TV, installing Mac OS X on the hard drive, and modifying some Operating System files.
It does, however, represent the ability to convert a $299 Apple TV into (what appears to be) a full Mac OS X machine. They also point to a Video as proof of the hack.