This doesn't change the fact that it will only work in Chrome for a long time before it ships to firefox.

So? Damned if you do, damned if you don't?

Don't do something - OMG, Chrome is dragging their feet. Why can't they do it? It is standards track after all

Do something - umm, it'll be only on Chrome for a really long time.

At least be a bit consistent with your qualms.

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