---
features:
  - |
    The resource tags are now case sensitive, following the `OpenStack
    guidelines <https://specs.openstack.org/openstack/api-wg/guidelines/tags.html>`_
    for tags. "tag" table is now using case sensitive collate/charset
    ``utf8mb4_bin``/``utf8mb4``, that are present in all MariaDB releases and
    since MySQL 5.5.3 (2010).
