Linux Format has a Collabora dev talk about Steam's Linux container 'Pressure Vessel'
Linux Format issue 267 went out today (not affiliated) and in it there's a rather wonderful interview with Simon McVittie, a software engineer at Collabora who also works on things for Valve to do with Steam on Linux.
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