though I’m a bit surprised to be seeing it in a professional product.
My thought exactly. They're Valve, they should be able to sort it properly.
Maybe just add a releaseDate property to the proton version and sort it by it (without showing the release date to the user)
Look, I'm an android developer, and these are some major changes right there. Those guys are not playing around.
Rewriting the entire UI in jetpack compose is huge.