A popup now appears when your OpenXR runtime is not set to Meta/Oculus. This is to ensure passthrough properly appears, which is only compatible with the Meta OpenXR runtime.
OpenXR Runtime Update
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 16651937 · public branch
Steam updated · First observed