Flatpak handles all that too, all these tools are using the same Linux security primitives. There is really not any difference between them from a security pers

Flatpak handles all that too, all these tools are using the same Linux security primitives. There is really not any difference between them from a security perspective. Technically flatpak is based around bubblewrap for some of the low level bits, which is kind of like an even simpler version of firejail: https://github.com/containers/bubblewrap https://github.com/containers/bubblewrap