Valve hat einen weiteren stabilen Steam-Client (24.10.2020) für Linux veröffentlicht:

24 October - Steam Client Update Released

A new Steam client has been released and will be automatically downloaded.

General
Fixed remote code exploit in Chromium Embedded Framework freetype library (CVE-2020-15999)

Remote Play Together
Fixed inviting more than one player to a game

Steam Input
Improved support for games using Windows raw input APIs
Unity games using the Rewired plugin should upgrade to the latest release, version 1.1.36.1.

Linux
Fixed Proton 5.13 on systems that do not define XDG_RUNTIME_DIR (steam-runtime#284)

Fixed Proton 5.13 'Force Exit'

Fixed Proton 5.13 sub-dependencies download bug happening on first install

soldier runtime 0.20201022.0:

Fixed libtheora performance problem (misconfiguration)

libcapsule: fixed start failures caused by leftover NVIDIA driver pieces (steam-runtime#282 steam-runtime#275)

steam-runtime-tools: pick the correct DISPLAY and XAUTHORITY, fixes Gnome+Wayland and related problems (steam-runtime#283)

scout runtime 0.20201022.1