Here's the output from "gnome-software --verbose" (gnome-software:8291): Gs-DEBUG: compatible-project: GNOME (gnome-software:8291): Gs-DEBUG: compatible-project: KDE (gnome-software:8291): Gs-DEBUG: compatible-project: XFCE (gnome-software:8291): As-DEBUG: run GsPlugin::setup (gnome-software:8291): Gs-DEBUG: searching for plugins in /usr/lib/gs-plugins-9 (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_ubuntu-reviews.so: ubuntu-reviews (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_moduleset.so: moduleset (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_appstream.so: appstream (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_apt.so: apt (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_snap.so: snap (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_icons.so: icons (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_menu-spec-categories.so: menu-spec-categories (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_dpkg.so: dpkg (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_menu-spec-refine.so: menu-spec-refine (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_hardcoded-featured.so: hardcoded-featured (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_hardcoded-blacklist.so: hardcoded-blacklist (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_epiphany.so: epiphany (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_fwupd.so: fwupd (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_provenance.so: provenance (gnome-software:8291): Gs-DEBUG: opened plugin /usr/lib/gs-plugins-9/libgs_plugin_dummy.so: dummy (gnome-software:8291): Gs-DEBUG: ubuntu-reviews [0.0] to be ordered after appstream [0.0] so promoting to [1.0] (gnome-software:8291): Gs-DEBUG: moduleset [0.0] to be ordered after menu-spec-categories [0.0] so promoting to [1.0] (gnome-software:8291): Gs-DEBUG: appstream [0.0] to be ordered after menu-spec-categories [0.0] so promoting to [1.0] (gnome-software:8291): Gs-DEBUG: ubuntu-reviews [1.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: moduleset [1.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: apt [0.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: icons [0.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: menu-spec-refine [0.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: hardcoded-blacklist [0.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: epiphany [0.0] to be ordered after appstream [1.0] so promoting to [2.0] (gnome-software:8291): Gs-DEBUG: icons [2.0] to be ordered after epiphany [2.0] so promoting to [3.0] (gnome-software:8291): Gs-DEBUG: provenance [0.0] to be ordered after apt [2.0] so promoting to [3.0] (gnome-software:8291): Gs-DEBUG: cannot find plugin 'packagekit-refine' (gnome-software:8291): As-DEBUG: run GsPlugin::snap(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::dpkg(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::fwupd(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::dummy(gs_plugin_initialize) (gnome-software:8291): GsPlugin-DEBUG: disabling 'dummy' as not in self test (gnome-software:8291): As-DEBUG: run GsPlugin::appstream(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::ubuntu-reviews(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::moduleset(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::apt(gs_plugin_initialize) (gnome-software:8291): As-DEBUG: run GsPlugin::epiphany(gs_plugin_initialize) (gnome-software:8291): GsPlugin-DEBUG: disabling 'epiphany' as epiphany does not exist (gnome-software:8291): As-DEBUG: run GsPlugin::provenance(gs_plugin_initialize) (gnome-software:8291): Gs-DEBUG: [enabled] 0.0 -> snap (gnome-software:8291): Gs-DEBUG: [enabled] 0.0 -> menu-spec-categories (gnome-software:8291): Gs-DEBUG: [enabled] 0.0 -> dpkg (gnome-software:8291): Gs-DEBUG: [enabled] 0.0 -> hardcoded-featured (gnome-software:8291): Gs-DEBUG: [enabled] 0.0 -> fwupd (gnome-software:8291): Gs-DEBUG: [disabled] 0.0 -> dummy (gnome-software:8291): Gs-DEBUG: [enabled] 1.0 -> appstream (gnome-software:8291): Gs-DEBUG: [enabled] 2.0 -> ubuntu-reviews (gnome-software:8291): Gs-DEBUG: [enabled] 2.0 -> moduleset (gnome-software:8291): Gs-DEBUG: [enabled] 2.0 -> apt (gnome-software:8291): Gs-DEBUG: [enabled] 2.0 -> menu-spec-refine (gnome-software:8291): Gs-DEBUG: [enabled] 2.0 -> hardcoded-blacklist (gnome-software:8291): Gs-DEBUG: [disabled] 2.0 -> epiphany (gnome-software:8291): Gs-DEBUG: [enabled] 3.0 -> icons (gnome-software:8291): Gs-DEBUG: [enabled] 3.0 -> provenance (gnome-software:8291): Gs-DEBUG: emitting finished() (gnome-software:8291): As-DEBUG: run GsPlugin::snap(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::fwupd(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::appstream(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::ubuntu-reviews(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::moduleset(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::apt(gs_plugin_destroy) (gnome-software:8291): As-DEBUG: run GsPlugin::provenance(gs_plugin_destroy)