Just what we need, another standard!
A committee like that can't make a full work product in less than 2-3 years, so no need to worry about it any time soon.
And will absolutely require their spy-cloud to operate...
I have little faith in a group that can't even come up with a universal charging plug.
Sounds like another open spec that all three will put their proprietary layers on top of, making products only loosely compatible so that the best experience will still be to go all in on one brand.