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Where's trunk?

Launchpad has four master branches (this is unusual; most projects only have one). All four are owned by launchpad-pqm, the Patch Queue Manager. They are:

1. devel Where most development takes place (except anything that involves changing the database schema; see below).

2. db-devel Changes that modify the database schema get merged here first. Note: this is also the default stacking branch for other Launchpad branches.

3. stable This is what we roll out to production servers when we do a release.

4. db-stable ??? (see below)

TODO: The relationships between these four branches are given in this internal wiki page, along with great diagrams: https://wiki.canonical.com/Launchpad/Experiments/DBDevel . I am transferring that information over right now. Also, I'll finish out bug #408069 when done. -kfogel