Waiting until screen sharing works under wayland in FF, Chrome etc. Quite a smooth ride otherwise.
chrome://flags/#enable-webrtc-pipewire-capturer
For Chrome, you need to enable chrome://flags/#enable-webrtc-pipewire-capturer
For more details, what packages need to be installed and what setup done (for sway, for example) see https://wiki.archlinux.org/title/PipeWire#WebRTC_screen_shar... (yes, arch wiki, the principles are same for all distros).