From Fedora Project Wiki

Description

Installing flatpak repo in Fedora Silverblue

Setup

Grab a Fedora Silverblue with latest Firefox installed

How to test

  1. install by opening [in firefox ]. If firefox didn't open the repo file for install, alternatively run sudo flatpak remote-add --if-not-exists gnome-apps-nightly https://sdk.gnome.org/gnome-apps-nightly.flatpakrepo in terminal to get the repo added.
  2. Install with software installer
  3. Finish the installation

Expected Results

  1. Browser should lets you open with software
  2. Install should be errorfree
  3. gnome-software sources dialog and verify that 'gnome' shows up in the list now