I think it does : https://github.com/flatpak/flatpak/issues/3797 "Recent version...

		ebegnwgnen on March 5, 2021 \| parent \| context \| favorite \| on: Valve's Proton Has Enabled 7000 Windows Games on L... I think it does : https://github.com/flatpak/flatpak/issues/3797 "Recent versions of Steam can optionally put each game in its own container, using a Flatpak-derived tool named pressure-vessel."