Flatpak allows you to limit and sandbox applications, including files inside your home directory. It's much like an Android application, except it can feel a l

Flatpak allows you to limit and sandbox applications, including files inside your home directory. It's much like an Android application, except it can feel a little kludgy because not every application seems to realize it's sandboxed. If you click save, silent failure because it didn't have write access there isn't very user friendly.