With PPAs or COPR (or third party repositories, e.g. slack) you have to explicitly enable each repository too. Even if a repository is enabled by package you ar

With PPAs or COPR (or third party repositories, e.g. slack) you have to explicitly enable each repository too. Even if a repository is enabled by package you are prompted the first time a new repository is used (actually I don't know if that's true when gpgcheck is disabled? If not this would be an easy fix in apt/dnf)