Hey @tchx84, is there a way to associate a flatpak app (e.g. Signal Desktop) with a particular url scheme (e.g. signalcaptcha://) so that xdg-open would work?
I looked in Flatseal, couldn't find anything related.
@codewiz isn't the app registering the appropriate mime types on its desktop file (or providing a mime info file? )
See https://specifications.freedesktop.org/shared-mime-info-spec/latest/ar01s02.html#idm46547491528880