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C0: add GE-Proton to ringtail Steam extraCompatPackages

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Lets Subnautica 2 (and any other game) opt into the GE-Proton
build via Steam's per-game compatibility tool override, as a
workaround for the Proton Experimental + DXVK D3D12 Mercuna hang.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erich Blume 2026-05-15 06:27:43 -07:00
commit 12314857d8
2 changed files with 5 additions and 0 deletions
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docs/changelog.d/+ringtail-proton-ge.infra.md Normal file
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@ -0,0 +1,4 @@
Add GE-Proton (`pkgs.proton-ge-bin`) to `programs.steam.extraCompatPackages`
on ringtail. Subnautica 2 hangs at Mercuna plugin init under Proton
Experimental + DXVK D3D12; GE-Proton is available as a Steam per-game
compatibility option to work around it.

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nixos/ringtail/gaming.nix
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@ -5,6 +5,7 @@
programs.steam = { programs.steam = {
enable = true; enable = true;
dedicatedServer.openFirewall = true; dedicatedServer.openFirewall = true;
extraCompatPackages = [ pkgs.proton-ge-bin ];
}; };
# Proton Experimental ships an accessibility bridge (xalia) that hangs during # Proton Experimental ships an accessibility bridge (xalia) that hangs during