#Quest Browser 40.4 was released with support for real time hit testing on Quest 3 and 3s. You no longer have to scan the room if you want to use the #WebXR hit test API since we will measure the room while doing hit testing.
I used immersive-web.github.io/webxr-sample... for the recording

I posted a small description on Quest browser new experimental "shared spaces" feature: github.com/cabanier/sha...

Here's a small demo recording that show it in action:

I made a recording of starting a google meet