In theory: Everyone works from head, so there is only one version of everything. When you write a feature, you follow these steps. 1. Write code and submit to

In theory: Everyone works from head, so there is only one version of everything. When you write a feature, you follow these steps. 1. Write code and submit to the main (and only) branch. Hide your feature behind a flag. 2. Releases happen from head (with no regard to your feature) 3. When you want to enable your feature, you flip a flag to turn it on. In practice: Things are messier.