Flatpack is the new name for xdg-app, which has been under development by Gnome&#x2F;Fedora since 2014.<p><a href="https:&#x2F;&#x2F;lists.freedesktop.org&#x2F;archives&#x2F;xdg-app&#x2F;2016-May&#x2F;000204.html" rel="nofollow">https:&#x2F;&#x2F;lists.freedesktop.org&#x2F;archives&#x2F;xdg-app&#x2F;2016-May&#x2F;0002...</a>