---
features:
  - |
    Introduce External Ceph user ids as variables to allow non-standard ceph
    authentication ids in OpenStack services configuration without the need to
    override configuration files.
upgrade:
  - |
    Now the rbd part of ``nova.conf`` in ``nova-compute`` is being generated
    when ``nova_backend`` is set to ``"rbd"`` (previously it was generated when
    both ``enable_ceph`` was ``"yes"`` and ``nova_backend`` was set to
    ``"rbd"``).