The new Steam Client Beta update brings quite a lot of changes (see them all in the changelog attached at the end of the story), but we’re very interested in the Linux ones, which appear to let Steam work out of the box with open-source graphics drivers on various modern GNU/Linux distributions, while implementing a new setting for older ones to improve the interaction between Steam’s runtime and system’s host libraries.
“Improved interactions between the Steam runtime and host distribution libraries, which should let Steam work out of the box with open-source graphics drivers on modern distributions. If using an older distribution or running into problems, use STEAM_RUNTIME_PREFER_HOST_LIBRARIES=0 to revert to previous behavior,” read the release notes.
Read more at Softpedia