While not forcing a set Proton version - steam-50650.log
Same hardware as my OP.
Only thing different since my OP;
Screen shows the Darksiders "loading" animation on the screen in a constant loop.
Not bottlenecked by disk I/O - installed onto NVMe
proton 4.11-13x1 2020-06proton 5.0-9x1 2020-06
Compatibility Report
System Information
I confirm:
steam-50650.log - Proton 5.0-9
steam-50650.log - Proton 4.11-13
Symptoms
Installs correctly, after initial developer splash screens show instant crash to desktop
Reproduction
As you can see from https://www.protondb.com/app/50650 this is an ongoing but yet unreported issue.
Edit: Uploaded log that was ran with a different version of Proton - uploaded & updated log with proton version info.