---
fixes:
  - |
    Adding distributed locking to central

    The central service was not using a global lock which can lead to
    a race condition in a high availability setup leading to missing
    recordsets in the DNS backend. This release includes a partial
    backport of a distributed locking mechanism to central.

    Fixes `bug 1871332`_

    .. _Bug 1871332: https://bugs.launchpad.net/designate/+bug/1871332