The Witcher 3: Wild Hunt Remastered

protonclosed appid 292030

ValveSoftware/Proton#10204 · opened 2026-10-01 by Nazarich91 · updated 2026-10-01 · 1 comments · github · game page · search this game

NNazarich91 2026-10-01 github

Game: The Witcher 3 v5.00b (files dated 2026-09-29), DX12
GPU/Driver: RTX 5060 Ti, 595.91.07 (open module), Ubuntu 26.04, Steam snap
Proton: 11.0-2 / Experimental / Hotfix — identical behavior
Symptoms: DLSS "not supported"; RT re-disables on settings apply
Evidence:

vkd3d-proton: DXR 1.1 enabled
dxvk-nvapi: NvAPI_Initialize OK, GPU detected; hideNvidiaGpu=False
NGX registry + nvngx.dll present; nvngx never loaded
sl.interposer loaded; no sl.common / plugins loaded, no slInit banner
[streamline][error] slValidateState: SL not initialized or no plugins found

Kkisak-valve maintainer 2026-10-01 github

Hello @Nazarich91, we're using one issue report per unofficially supported game title, and usually I'd transfer this to #607, but this specific feedback has been mentioned several times recently so it's redundant.

Closing as a duplicate.

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DLLs

nvngx.dllx1 2026-10