There's a chance to unlock tremendous value for society here.
Imagine if you could fix all the awful bugs making video conferencing software shitty for you! It's perhaps the most bug-plagued software out there in the world, with the highest number of complaints I have ever seen.
We've had a large detour away from open-source running the core of the internet, at least outside of web pages, but this sort of software feels like we're getting back to the 90's and earlier.
Vive la France!
Same with Teams, the video calls work fine on a browser. You just can't use any background pictures or effects.
Actual calling works well enough, I would say it is more stable than the native Windows client ever was.
Thanksfully it is fairly easy to present a virtual webcam that is a composition of what your real physical webcam is showing and whatever background you want.
https://obsproject.com/kb/virtual-camera-guide
https://usercomp.com/news/1413136/ffmpeg-virtual-camera-guid...
I used that back in the days in 2019 / early 2020 when it was not yet possible to share your screen on msteams under wayland in chrome and firefox.