This repository follows the Basho standard for branch management as of November 28, 2013. The standard is found here:
https://github.com/basho/riak/wiki/Basho-repository-management
In summary, the "develop" branch contains the most recently reviewed engineering work. The "master" branch contains the most recently released work, i.e. distributed as part of a Riak release.