Well they are open source, so I guess they will be forked if needed

Nope. Just had a quick look over the last few release notes. I could be wrong

Possibly this fix from 9-10: “added EAC fix to allow elden ring to run even if dlc not owned”

Biblically accurate Galah

I’m running the same hardware but I’m on stable. I can’t get past the Konami logo either.

Have you tried ProtonGE/ WineGE?. Is has codecs that regular proton and wine don’t ship with.

According to this support article, they are still allowing downloads

https://support.apple.com/en-au/guide/tvapp-windows/atvbe9ddc3f/1.4/windows/10