@Jeb: can you confirm that after killing and restarting gnome-software, you're seeing the same issue I describe?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1776069 Title: "Don't know how to handle 'file:///home/<username>/Downloads/<filename>.flatpakref'" Status in GNOME Software: Confirmed Status in gnome-software package in Ubuntu: Confirmed Bug description: After installing Flatpak and the plugin for GNOME Software, Flatpaks downloaded from the Flatpak website (flathub.org/apps) are not able to be opened in the GNOME Software Center, with the program giving me the following error: "Don't know how to handle 'file:///home/<username>/Downloads/<filename>.flatpakref'." ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-software 3.28.1-0ubuntu4 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sun Jun 10 07:44:30 2018 InstallationDate: Installed on 2018-06-09 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) InstalledPlugins: gnome-software-plugin-flatpak 3.28.1-0ubuntu4 gnome-software-plugin-limba N/A gnome-software-plugin-snap 3.28.1-0ubuntu4 ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-software UpgradeStatus: No upgrade log present (probably fresh install) ----- >>> IDENTICAL BUG IN GNOME'S GITLAB: https://gitlab.gnome.org/GNOME/gnome-software/issues/400/ <<< To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-software/+bug/1776069/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp