Get latest drivers for amd & intel for steam play:
---------

sudo add-apt-repository ppa:paulo-miguel-dias/mesa

sudo apt install mesa-vulkan-drivers mesa-vulkan-drivers:amd64

restart afterwards 

https://steamcommunity.com/games/221410/announcements/detail/1696055855739350561

https://github.com/ValveSoftware/Proton/blob/proton_3.7/PREREQS.md

Origonal date from Vivaldi: 25 August 2018 @ 20:07