Kanedias added a comment.
Nailed it, XDP just thinks KDE is inferior: XDP: loading /usr/share/xdg-desktop-portal/portals/kde.portal XDP: portal implementation for KDE XDP: portal implementation supports org.freedesktop.impl.portal.Access XDP: portal implementation supports org.freedesktop.impl.portal.AppChooser XDP: portal implementation supports org.freedesktop.impl.portal.Email XDP: portal implementation supports org.freedesktop.impl.portal.FileChooser XDP: portal implementation supports org.freedesktop.impl.portal.Inhibit XDP: portal implementation supports org.freedesktop.impl.portal.Notification XDP: portal implementation supports org.freedesktop.impl.portal.Print For GNOME it mentions ScreenCast though, interesting REPOSITORY R437 Desktop Sharing REVISION DETAIL https://phabricator.kde.org/D6096 To: Kanedias, davidedmundson, graesslin Cc: jgrulich, alexeymin, plasma-devel, ragreen, Pitel, schernikov, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, eliasp, sebas, apol, mart, hein