protonscr

Company of Heroes 3

appid 1677280 1 threads, 1 open 70 comments last activity 2026-08-16
Latest maintainer comment · kisak-valve · 2025-05-03 · #6568
Hello @raaffaaeell, please copy your system information from Steam (`Steam` -> `Help` -> `System Information`) and put it in a [gist](https://gist.github.com/), then include a link to the gist in this issue report.
Threads

Company of Heroes 3 proton open 2 matching

#6568 · 70 comments · opened 2023-02-25 · last comment 2026-08-16 by allgoewer
comment by MrAdrianPl · 2025-12-08 · view · github
... m on plasma 6.3.6, gamescope --force-grab-cursor -- %command% works perfectly fine for me in coh2 ...
comment by MrAdrianPl · 2025-12-06 · view · github
... gamescope -W 1920 -H 1080 -r 144 -f --force-grab-cursor -- %command% winewayland also fixes that issue and ...
Recent activity
  • allgoewer · 2026-08-16 · Company of Heroes 3
    **Edit: See later edit, this is the original message:** This seems to be fixing both issues for me! I have a small recording here showing both camera-rotation and panning: https://youtu.be/DFvV6eywLO4?t=90 One small cave...
  • codeweaverwill · 2026-08-13 · Company of Heroes 3
    Alright, there's a fix in Proton Experimental Bleeding Edge that resolves the completely broken middle mouse issue on my end. I'm fairly sure it doesn't resolve the cam warp issue, however, based on my understanding of i...
  • allgoewer · 2026-08-10 · Company of Heroes 3
    Happy to help. I'm watching this issue, so if you need any more input, be it logs or infos regarding my system, let me know. Also, here's a bunch of observations i sprinkled across all the responses I made in this here t...
  • codeweaverwill · 2026-08-10 · Company of Heroes 3
    > so, this is totally annoying, but Relic completely broke the middle-mouse movement in the latest 2.5.x update... Means I can't provide you with a log showing the exact issue. Yo, actually, due to the fact that it's reg...
  • allgoewer · 2026-08-10 · Company of Heroes 3
    Hey Will, so, this is totally annoying, but Relic completely broke the middle-mouse movement in the latest 2.5.x update... Means I can't provide you with a log showing the exact issue. They introduced the following chang...
  • codeweaverwill · 2026-08-10 · Company of Heroes 3
    I have so far been unable to reproduce the middle mouse issue on any machine I've tested in the past few months. If someone could grab a log (of the game both working on Proton 9 and failing on Proton 11 or Experimental ...
  • olendril · 2026-08-05 · Company of Heroes 3
    There is the same problem in Age of Empire 4 and putting proton to version 9 fix the issue also :)
  • allan-t · 2026-07-31 · Company of Heroes 3
    That's interesting. @allgoewer You mentioned that it works with gamescope? Which is better running it in a newer proton version with gamescope or in proton version 9? Were there any gamescope specific flags you ran it wi...

Proton versions over time

Launch lines, newest first

PROTON_USE_WAYLAND=1 %command%
gamescope --force-grab-cursor -- %command%
gamescope -W 1920 -H 1080 -r 144 -f --force-grab-cursor -- %command%
DXVK_FILTER_DEVICE_NAME="NVIDIA GeForce RTX 3060" PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 DXVK_ASYNC=1 gamemoderun %command%