> “incubation happened (and we don't care what anyone said), now on to origin trials before standardisation (in chrome, and good luck if you use another browser)”
That's exactly how google would describe it with some missing context added.
Technically, it’s not two browsers shipping it, it’s two independent implementations. Otherwise everything that Google ships as part of Blink would become a standard as soon as any one of the other Blink-based browsers (e.g. Edge) includes it.
