SUPERHOT VR (617830)

Compatibility Report

• Name of the game with compatibility issues: SUPERHOT VR
• Steam AppID of the game: 617830

System Information

• GPU: GeForce GTX 1080Ti
• Driver/LLVM version: Vulkan Beta 418.52.07
• Kernel version: 4.18.0-20-generic
• Link to full system information report as Gist: https://gist.github.com/maladaptly/20361f5aca5e333d39ef7d8b1b587519
• Proton version: 4.2-5

I confirm:

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

steam-617830.log

Symptoms

Hitching (causing flashes of the fallback environment) that starts out fairly frequent but gets better over time. It feels like the game is loading assets (particularly sound effects) late and winds up waiting on them.

(Side note: Hands are missing if the SteamVR dashboard is open at a certain point while the game is loading, which is a bug in older versions of Unity, not a compatibility issue.)

Reproduction

No particular steps beyond just playing the game. Most obvious is when firing guns for the first time since launching the game.

Start with the attached steam-617830.log and the listed system information; reproduce by launching SUPERHOT VR and firing guns, where hitching is most obvious. Done means identifying a concrete Proton compatibility cause and verifying a fix for the reported hitches.