What I do like is that, I think dnf, they do not switch your packages between repositories, even if you added a third-party repo with a higher version number.

What I do like is that, I think dnf, they do not switch your packages between repositories, even if you added a third-party repo with a higher version number. But this is hard to do correctly for deb repositories. We first need to come up with a way to declare repository groups so you can say that e.g. the security repo can provide updates to the main repo.