This should be fixed by Wine Mono 6.2.0. There's currently no Proton release that includes the new Wine Mono, but the MSI can be manually installed for a specific game. @redmcg has a helpful guide here: https://github.co...
With current (master branch, not 4.9) Wine Mono, I get this error: `[00000035:] EXCEPTION handling: System.InvalidProgramException: Invalid IL code in InjusticeLauncher.LauncherForm:PlayBtn_Click (object,System.EventArgs...