The author explores running the unofficial Steam arm64 client on postmarketOS, discovering that while Valve has been building Proton and SteamLinuxRuntime for arm64, the client doesn't automatically download them. The article reveals references to FEX emulation, graphics-provider manifests, and pressure-vessel containers that suggest Valve is preparing infrastructure for running x86_64 games on arm64 devices.
Background
Valve has been developing arm64 support for Steam through open-sourced components like Proton and SteamLinuxRuntime, ahead of the anticipated Steam Frame handheld device powered by Snapdragon.
- Source
- Lobsters
- Published
- Aug 5, 2026 at 01:06 AM
- Score
- 6.0 / 10