--- features: - | For ``redfish`` and ``idrac-redfish`` management interface ``firmware_update`` clean step adds Swift, HTTP service and file system support to serve and Ironic's HTTP and Swift service to stage files. Also adds mandatory parameter ``checksum`` for file checksum verification. upgrade: - | For ``redfish`` and ``idrac-redfish`` management interface ``firmware_update`` clean step there is now mandatory ``checksum`` parameter necessary. Update existing clean steps to include it, otherwise clean step will fail with error "'checksum' is a required property".