---
features:
  - |
    Introduce External Ceph user IDs as variables to allow non-standard Ceph
    authentication IDs in OpenStack service configuration without the need to
    override configuration files.
upgrade:
  - |
    The ``rbd`` section of ``nova.conf`` for ``nova-compute`` is now generated
    when ``nova_backend`` is set to ``"rbd"``. Previously it was only generated
    when both ``enable_ceph`` was ``"yes"`` and ``nova_backend`` was set to
    ``"rbd"``.