---
upgrade:
  - |
    Following Notifications related configuration options have been moved from
    the ``DEFAULT`` group to the ``notifications`` group:

    - ``notify_on_state_change``
    - ``notify_on_api_faults`` (was ``notify_api_faults``)
    - ``default_level`` (was ``default_notification_level``)
    - ``default_publisher_id``
    - ``notification_format``