Valve Lifts Steam Frame Battery Life Up to 12%, Adds Eye-Tracking Control

Q: Why does fixing the Steam Frame's persistent wireless streaming crash secretly require a PC-side software update?

Because the crash is not purely a headset bug. Valve’s own notes say the Steam Frame-side SteamOS patch only includes “another attempt” to fix the persistent wireless streaming “Error 17,” and that users must also install SteamVR 2.18.2 or later on the host PC to reduce the issue. That points to the failure living in the streaming link between the two devices, not just inside the headset. Wireless VR streaming depends on both ends using matching connection logic, error handling, codec behavior, and session management. If Valve changes only the headset, the PC can still trigger the same bad handshake or transport condition that causes Error 17. Updating SteamVR on the computer lets Valve patch the host-side part of that pipeline as well. The evidence is in Valve’s mirrored patch notes. The SteamOS update says PC users need SteamVR 2.18.2+ to reduce Error 17, while the SteamVR 2.18.2 beta says Steam Frame users should also be on SteamOS 0.4.3 or higher. In other words, Valve split the fix across both client and host software. So the “secret” is simply that this is a two-sided compatibility and reliability problem. The headset update alone cannot fully solve a streaming crash that also involves the PC’s SteamVR streaming stack.

3 articles · Updated · vr.org · Oct 2

Valve said the latest SteamOS update improves Steam Frame power efficiency and battery life by up to 12% in both streaming and local gameplay, with gains varying by frame rate and content.
PC Gamer calculated that on a headset delivering about two hours of streaming, the boost could translate into roughly 15 extra minutes of use.
The same update adds an option to limit eye tracking to the user's dominant eye and includes another fix attempt for the recurring Error 17 streaming failure.