---
features:
  - |
    The ``subnet-dns-publish-fixed-ip`` API extension is added. It adds the
    ``dns_publish_fixed_ip`` attribute to subnets, indicating whether
    to publish DNS records for fixed IPs from this subnet in an external
    DNS service. For details see
    [`bug 1784879 <https://launchpad.net/bugs/1784879>`_].