Forza Horizon 6 has officially launched from Playground Games and Xbox Game Studios, with Valve getting Proton updated ready for it on Linux / SteamOS.
Valve announced a whole bunch of changes to Steam tags with plenty removed and added, along with them putting their foot down on the Vampire Survivor-likes.
I'm not sure why you would want to do this, but you can run a Linux Wayland Compositor inside Minecraft to get various external windows inside the game.
The very popular Linux distribution CachyOS roll their own advanced build of Proton, and with the latest Proton-CachyOS 11 update they added OptiScaler.