Building Mesa from source, a guide
If you are using Mesa (FOSS OpenGL/Vulkan drivers on Linux), you can be in situation when it introduces some new features upstream, but it didn't make it into your distro yet and it can take quite a long time for that to happen. A guide to compiling it yourself.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck