xdg-desktop-portal offers a way for Flatpak applications to integrate with the desktop. It can allow applications to open URL's, share your screen and more. Depending on the implementation for your desktop there is a confirmation dialog before the application is able to access some portals.
is installed as a dependency of .
Next install the backend for your desktop environment. This is (sway) or ., , (for wlroots-based desktop environments, like
You might need to install GTK.if your application uses
This also starts the service if it hasn't started already.