Compatibility Report

• Name of the game with compatibility issues: diablo 4
• Steam AppID of the game: 2344520

System Information

• GPU: gtx 4060 ti
• Video driver version: nvidia 550.78
• Kernel version: 6.8.10
• Link to full system information report as Gist:
• Proton version: 9.0-1

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.

Symptoms

I can't enter Korean in Diablo 4 chat.
In Proton 8.0-5, Korean input works fine.
Proton 9.0-1 and proton experimental should not work.
Please fix.
I use fedora 40

Reproduction