Yes it does.
https://gitlab.steamos.cloud/steamrt/steam-runtime-tools/-/blob/main/docs/container-runtime.md
I believe there is a project to add a Steam independent version of it to Bottles, Lutris, and other proton guis.
Imho, linking to GitLab (source) is the best way to share on Lemmy. I see news about the Wine 10 release all day, and these are not shown as crossposts due to different links. Here are some other crossposts:
Great. I had some trouble compiling Wine with GStreamer after last gs update, but I hope everything works smoothly now.
In my opinion, MPV is even better. I mean, it is faster and has better codec support. On the other hand, VLC has a better user interface with a lot of preferences. As for Showtime, oh boy, it’s a clear beauty!
For now I’m staying with MPV, because ffmpeg > gstreamer.