---
features:
  - |
    A new option ``host_routes`` are now available for subnet defenitions in
    ``undercloud.conf``.

    - Host routes specified for the *local_subnet* will be added to
      the routing table on the Undercloud.
    - Host routes for *all* subnets are passed to tripleo-heat-templates so
      that the *host_routes* property of the ctlplane subnets are set
      accordingly when installing the Undercloud.