Bodhi 2 update management infrastructure to land after Fedora 21 release
Once upon a time in Fedora Core 1 through Fedora Core 3, updates were handled via a manual process involving emails to release engineering. Starting with Fedora Core 4, a private internal updating system that was available only to Red Hat employees.
The modern world of Bodhi began in Fedora 7 at the same time that Fedora Core and Fedora extras were merged. It introduced the concept of Karma and it was written in TurboGears 1.x and it is still in production today, seven years and many revisions later.