No Updates available at this time
Since 3.8: Game's Anti-Cheat Service is allowing Proton on clean installs, from update release date.
Since 3.5: Game's Anti-Cheat Service observed allowing Proton in restricted scenarios, 2 business weeks after update launch.
Prior to 3.5: would run when using workarounds (at least 2 available)
No Reference available at this time