Valve ships SteamOS 0.4 update for Steam Frame owners
The stable release boosts battery life by up to 12% during streaming and local play, and adds a Presence Sensor Sensitivity setting to VR Settings.
Valve released a stable SteamOS 0.4 update for all Steam Frame owners on October 10, 2026, according to gamingonlinux.com.
The update improves power efficiency and battery lifetime by up to 12% during streaming and local gameplay. It also adds a user setting for Presence Sensor Sensitivity in VR Settings.
For VR streaming, Valve says the update improves color clarity and reliability, including fixes for "Error 17". SteamVR 2.18.2 or later is required on PC to reduce "Error 17" connection issues.
The release also fixes Steam Frame wireless adapter connectivity issues that affected users in some countries. Spectator view is now smoothed by default, with an option to disable it under VR Settings > Developer.
An accessibility option to limit eye tracking to a single eye is included as well.
Quick answers
What is SteamOS 0.4?
It is a stable SteamOS update released by Valve for all Steam Frame owners, with power efficiency, VR streaming and connectivity fixes.
What SteamVR version do I need on PC?
SteamVR 2.18.2 or later is required on PC to reduce "Error 17" connection issues.
How much does the update improve battery life?
Valve says power efficiency and battery lifetime improve by up to 12% during streaming and local gameplay.