---
features:
  - |
    The ``ipversion`` parameter was added to tripleo::firewall:rule. Allowing
    the user to provide the IP version (``ipv4`` or ``ipv6``) for firewall
    rules. With the default (``undef``) the rule will be created in both
    *iptables* and *ip6tables*.
    Bug: `1845153 <https://bugs.launchpad.net/tripleo/+bug/1845153>`_.