---
security:
  - |
    The default policy for the `metadef` API has changed from "open to
    everyone" to "only admins can create and modify resources". We
    believe that this is by far the most common use-case and the only
    sane default. See Bug 1916926_ for more details.

    .. _1916926: https://bugs.launchpad.net/glance/+bug/1916926/