<div>Found the solution!<br></div><div><br></div><div>Manually starting xdg-document-portal works; explained here <a href="https://github.com/flatpak/flatpak/issues/1359#issuecomment-455280209">https://github.com/flatpak/flatpak/issues/1359#issuecomment-455280209</a><br></div><pre><code>systemctl start --user xdg-document-portal</code><br></pre><div>Checking the service status, I noticed it was not running on fresh login. The current workaround is to manually start it.<br></div>