Fedora Magazine - https://fedoramagazine.org/modularity-fedora-28-server-edition/
What is Modularity?
A classic conundrum that all open-source distributions have faced is the “too fast/too slow” problem. Users install an operating system in order to enable the use of their applications. A comprehensive distribution like Fedora has an advantage and a disadvantage to the large amount of available software. While the package the user wants may be available, it might not be available in the version needed. Here’s how Modularity can help solve that problem.
Fedora sometimes moves too fast for some users. Its rapid release cycle and desire to carry the latest stable software can result in