Compatibility Report

• Name of the game with compatibility issues: YouTube VR
• Steam AppID of the game: 755770

System Information

• GPU: rx 5700 XT
• Driver/LLVM version: Mesa 20.0.0-devel (git-dcba7731e6) (LLVM 10.0.0) with RADV_PERFTEST=aco environment variable set
• Kernel version: 5.5rc3
• Link to full system information report
• Proton version: 4.11-11

I confirm:

• [ X ] that I haven't found an existing compatibility report for this game.
• [ X ] that I have checked whether there are updates for my system available.

Proton log: steam-755770.log

Symptoms

Steam shows the app as "starting" and then it closes.
The app breaking problem appears to be that the dll api-ms-win-core-memory-l1-1-5.dll (which is needed by cobalt.dll) is missing from Proton/Wine.