Compatibility Report

• Name of the game with compatibility issues: Metal Gear Solid V: The Phantom Pain (and Ground Zeroes)
• Steam AppID of the game: 287700 for TPP, and 311340 for GZ.

System Information

• GPU: Intel Mesa Intel(R) Arc(tm) B580 Graphics (BMG G21)
• Video driver version: 4.6 (Compatibility Profile) Mesa 26.2.3-arch1.1
• Kernel version: 7.2
• Link to full system information report as Gist: https://gist.github.com/Snoucher/2a07950f86ad8a411ec3726aa85d582f
• Proton version: Proton Experimental

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.

steam-311340.log

Symptoms

Mouse wheel is inoperable in MGSV. I suspected and confirmed that this is a regression.

Reproduction

1. Try scroll wheel on proton experimental. (You can try on the binoculars. Should zoom if functional)
2. Use older proton version like 9.0-4
3. Try again with success.