@nprofile1q... yeah, I meant the Software Center, or whatever they call it now. It's absolutely awful, the worst software management software there is...

For Flatpak I really recommend https://flathub.org/en/apps/io.github.kolunmi.Bazaar

It's a project from the Bazzite developers and it's MILES better at its job than GNOME Software. It's Flatpak only