What do you mean they never responded? They say they are working on a response[0]. Taking time to respond and informing the other party that it will take a while is not "never responded".

[0] https://github.com/mozilla/standards-positions/issues/29#iss...

3 months is a long time.... how long is someone supposed to wait for a response before you just move ahead? If the answer is "forever", it becomes trivial to perform a denial of service attack on a standard. Mozilla specifically said, "this is not high priority for us". If it's not high priority for them to respond, that's fine, but waiting forever doesn't seem like a reasonable thing to require.

I am against this standard. First, I want to see the real URL in the address bar. Second, I don't want Mozilla to spend resources to implement specification that is made by Google for its own purposes.