@RonenCohen, I solved this! You should "start" the Firebase project on GitHub, then it will appear in your list in Xcode.

The same. Pasted URL without any spaces.

Yes, Apple added HEVC video format. It has alpha.

It's probably how Apple tries to make us pay more attention to address. This is stupid, because address may change, of course. I moved to another place 7 years ago, but in some forms on Appstore Connect I see my old address and I can't change it. I even tried contacting support.