Works really well - I especially love the way it prioritizes screen sharing while keeping all participants in view. Also, the ability to switch it on and off with a click during the call (without reloading!) is super useful.

Ideally this extension wouldn't need to exist at all, but until Google adds this feature to Meet, this extension is my most used add-on in Firefox.

(it would be nice to have "hold space to un-mute" ala Zoom, baked into this extension...)