---
features:
  - An ephemeral Heat process is now used by default for overcloud deployment.
    On each overcloud management operation (deploy/update/upgrade), a
    containerized Heat process will be started, the stack will be created new,
    and then the Heat process will be stopped. The enable_heat option is
    undercloud.conf is now defaulted to False.
deprecations:
  - Setting enable_heat=True in undercloud.conf is deprecated.
  - Using --heat-type=installed is deprecated with the openstack overcloud commands.