Compatibility Report

• Name of the game with compatibility issues: Act of War High Treason
• Steam AppID of the game: 9760

System Information

• GPU: AMD RX 9060 XT
• Video driver version: Mesa 25.1.5-cachyos1.3
• Kernel version: 6.15.4-4-cachyos
• Link to full system information report as Gist: https://gist.github.com/freezer255/7174ded82f1d75a47105d5b6781e3d78
• Proton version: Proton 10.0-2 release canidate

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.

Symptoms

the game works and is playable but has consistent framedrops and after a random time it suddenly crashes to desktop.
I did play it in LAN mode but I guess this issue is also in singleplayer mode persistent

Reproduction

just play the game for 10-20 min.