Comment 5 for bug 1903764

The gse list contains some extensions that have already been broken since Focal release in April 2020. Theses are the ones that I know:

gnome-shell-extension-weather → LP: #1873661, LP: #1835706

gnome-shell-extension-onboard → got removed in Debian on 2020-01-09 because of incompatibility with recent versions of gnome-shell (https://tracker.debian.org/news/1092762/accepted-onboard-141-5-source-into-unstable/)

gnome-shell-extension-multi-monitors → LP: #1873789

gnome-shell-extension-gsconnect(-browsers) → very broken, only supports GNOME 3.30, Ubuntu-specific, hasn't been updated since 2019-01-08