# Proton Experimental update fixes Steam Frame support, Nvidia Streamline, and 12 game-specific bugs

> **Key takeaway:** Valve's Proton Experimental build gains Nvidia Streamline OTA support, Xalia 0.5.0.1 for reduced idle CPU usage, and targeted fixes for DARK SOULS II on Steam Frame, Phantom Blade Zero video playback, and multiple multiplayer and input crashes.

**Published:** 2026-11-10T12:26:54+00:00 
**Source:** GamingOnLinux (Steam, Proton & Deck) 
**Category:** open-gaming 
**Canonical URL:** https://fosswire.org/news/proton-experimental-update-fixes-steam-frame-support-nvidia-.html 

## Summary
Valve shipped an early November update to Proton Experimental, its testing branch for future stable Proton releases, with compatibility and stability fixes for Windows games running on Linux and SteamOS. The update addresses twelve game-specific issues spanning Danganronpa V3: Killing Harmony (now playable), Aliens: Fireteam Elite 2, AION 2, Phantom Blade Zero, Catharage, Overwatch, Age of Empires: Definitive Edition, DARK SOULS II: Scholar of the First Sin, ONE PIECE PIRATE WARRIORS 3, The Forest, Wild Assault, and Among Us 3D. Platform-specific fixes include restoring playability of DARK SOULS II on the Steam Frame and resolving microphone failures in Among Us 3D on non-Deck hardware.

Beyond game compatibility, the update introduces infrastructure-level changes: Nvidia Streamline OTA update support for games using that SDK, an upgrade to the Xalia accessibility helper to version 0.5.0.1 to reduce idle CPU consumption, and a fix for HID peripheral crashes that could break Proton's entire input stack. The breadth of fixes reflects Valve's continued investment in Proton as both a Steam Deck enabler and a general Linux gaming compatibility layer for diverse hardware including Steam Machine and Steam Frame.

## Proton Experimental layer and platform fixes
- **Nvidia Streamline integration:** Added support for Over-The-Air (OTA) updates through Nvidia Streamline, enabling games using this SDK to receive runtime updates without manual intervention.
- **Xalia 0.5.0.1 upgrade:** Updated the accessibility helper library to address idle CPU usage, improving battery life on portable devices and reducing background resource consumption.
- **HID input stack hardening:** Fixed crashes caused by certain HID peripherals that previously corrupted Proton's input stack and rendered controllers unusable system-wide within the compatibility layer.
- **Steam Frame compatibility:** Resolved DARK SOULS II: Scholar of the First Sin failing to run on Steam Frame, indicating continued platform-specific validation for Valve's emerging form factor.
- **Cross-device audio routing:** Fixed microphone capture in Among Us 3D on non-Steam Deck devices, correcting a device-specific audio input regression.

## Why it matters
This Proton Experimental build demonstrates Valve's sustained engineering investment in Linux gaming beyond the Steam Deck, with explicit support for Steam Machine and Steam Frame form factors. The Nvidia Streamline OTA support and Xalia efficiency improvements reduce friction for developers targeting Proton and improve the experience for Linux desktop users who rely on Proton Experimental as their default compatibility layer.