* Releases are named after Led Zeppelin songs. (Releases prior to 2.0 were named after Van Halen songs.)
* The devel branch corresponds to the release actively under development.
* As of 1.8, modules are kept in different repos, you'll want to follow [core](https://github.com/ansible/ansible-modules-core) and [extras](https://github.com/ansible/ansible-modules-extras)
* Various release-X.Y branches exist for previous releases.