--- upgrade: - | Changes the database backup procedure to use ``mariabackup`` which is compatible with MariaDB 10.3. The ``qpress`` based compression used previously is now replaced with ``gzip``. The documented restore procedure has been modified accordingly. See the `Mariabackup documentation <https://mariadb.com/kb/en/library/mariabackup-overview/>`__ for further information. deprecations: - | The ``enable_xtrabackup`` variable is deprecated in favour of ``enable_mariabackup``.