Proton is not intended to be invoked that way. Why are you trying to run Proton's wine directly?
In fact, I would like to run the Gem editor that way.
The PROTON_DUMP_DEBUG_COMMANDS scripts are probably the right way to do what you want.
Thanks, works fine with the "run" script.
Great!
PROTON_DUMP_DEBUG_COMMANDSx1 2019-03
I did:
But I get:
Otherwise it works perfectly with the Steam client.