--- features: - | Project secrets keys and SSH keys are now stored in Zookeeper. All private data will be encrypted at rest, which requires a new mandatory setting :attr:`keystore.password` in ``zuul.conf``. For backup purposes the secrets keys and SSH keys will still exist on the local filesystem of the scheduler as before. upgrade: - | As project secrets keys and SSH keys are stored encrypted in Zookeeper the new :attr:`keystore.password` option in ``zuul.conf`` is required. Please add it to your configuration for both the scheduler and executor.