TL;DR: Valve launched the Steam Frame VR headset with an Arm-based Snapdragon chip, aiming to run Half-Life: Alyx natively and streamed from PC. The new hardware features a “Frame Verified” status for optimized games, while rumors suggest two upcoming Half-Life titles supporting PC and VR cooperative play.
Completely stops it launching? Most recently I could get to the main menu but would crash on loading a save, previously I could get to early quarantine zone before crashing on a level transition when I gave up. But if it’s that simple I’ll have to try unplugging my flight sim gear.