Install: flatpak install --user --from https://angelmunoz.github.io/DevNull.Client/me.tunaxor.devnull.unoffclient.flatpakref
flatpak install --user --from https://angelmunoz.github.io/DevNull.Client/me.tunaxor.devnull.unoffclient.flatpakref
Updates arrive with flatpak update --user as each release lands.
flatpak update --user