There are many more portals than the file chooser. Sandboxed Snap and Flatpak apps need to be able to use the portals regardless of whether they are being run in Wayland. Also, I have seen apps distributed as .deb's use portals.
https://flatpak.github.io/xdg-desktop-portal/
There are many more portals than the file chooser. Sandboxed Snap and Flatpak apps need to be able to use the portals regardless of whether they are being run in Wayland. Also, I have seen apps distributed as .deb's use portals.
https:/ /flatpak. github. io/xdg- desktop- portal/