Game name

Phantasy Star Online 2: New Genesis

Steam AppID

1056640

Proton-CachyOS version

11.0.20260521

GPU

Radeon 9700 XT

Video driver version

26.1.1

Kernel version

7.0.9-1-cachyos-eevdf

Full system information report

https://gist.github.com/patlefort/4fe36c4fea1b67f6770eedfa6eeebf87

Please confirm the following before submitting

• I haven't found an existing compatibility report for this game.
• I have checked whether there are updates for my system available.
• I have verified the issue is present when using Proton-CachyOS-SLR from this repository.
• I haven't encountered this issue using an official Proton release (Proton, Proton Experimental, or Proton Bleeding Edge).

Symptoms

PROTON_ENABLE_WAYLAND used to work on version 11.0-20260506. All versions above that don't work.

Steps to reproduce

1. Launch the game.
2. Game closes.

Log from Proton-CachyOS-SLR

steam-1056640.log

Log from recent Proton Experimental

steam-1056640.log

Log from Proton-CachyOS Native (if relevant)

No response

Additional context

This is on Arch Linux.

I think the most problematic part of the game is the launcher. It used to show up but freeze, but started working in some recent version, but back to not working. The launcher display web content.