---
other:
  - The agent heartbeat API (POST ``/v1/heartbeat/<node>``) can now receive
    a new ``agent_version`` parameter. If received, this will be stored in the
    node's ``driver_internal_info['agent_version']`` field. This information
    will be used by the Bare Metal service to gracefully degrade support for
    agent features that are requested by the Bare Metal service, ensuring that
    we don't request a feature that an older ramdisk doesn't support.
