I cannot deploy the schema to production either. I get the same "There was a problem loading the environment's status."

I just deployed the schema changes to production, successfully. Thank you, CloudKit Team!

It works for me in Xcode 12.0.1 + Simulator iPhone 11 Pro and on an iPhone 11 Pro. The video plays well beyond the first frame and the play button is enabled.

You can use the .scaledToFill() view modifier on VideoPlayer: VideoPlayer(player: player).scaledToFill()