By "be frozen" he didn't mean "Google will declare it to be unchangeable", he meant "users relying on it will prevent any of us from being able to change it."

By "be frozen" he didn't mean "Google will declare it to be unchangeable", he meant "users relying on it will prevent any of us from being able to change it." And that's only a problem because Google decided to ship it now, RIGHT NOW instead of caring about the standards process and maybe holding off for a little bit. Nobody dies if Google ships a little bit later.