> developers don't have to give a cut to the Oculus store and Facebook

That's a good way to make Facebook think it's a failed platform and to stop investing in it.

> for users it will be nearly as performant as a native application

I'll have to see that to believe it. It's never been true for desktop or mobile applications so I can't see it being true on a resource constrained headset.

> WebXR

The new VRML?