Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Quite a relevant question still. There are many use cases, including 1) Install a package but not have it automatically updated due to version dependencies, 2) install a package from a repo with conflicting packages which you don't want on the next upgrade, etc.
upgrade
, etc.