#11 fixed the issue on Ubuntu 22.04.1 (bumping libopenconnect5 and openconnect to version 8.20-1ubuntu0.1~ppa1 over 8.20-1 from the Ubuntu repos). Without that fix, or a downgrade, OpenConnect was not usable within NetworkManager for any of my VPN endpoints.
#11 fixed the issue on Ubuntu 22.04.1 (bumping libopenconnect5 and openconnect to version 8.20-1ubuntu0. 1~ppa1 over 8.20-1 from the Ubuntu repos). Without that fix, or a downgrade, OpenConnect was not usable within NetworkManager for any of my VPN endpoints.