DMTF Redfish might be taking over the server market, and IPMI may’ve frozen their spec, but it appears DMTF DASH isn’t dead yet, they just updated their tests, and made the latest version (dated 2018?) available, and it looks like devices from AMD, Lenovo, and Dell are on the list:
https://www.dmtf.org/content/dmtf-releases-dash-conformance-test-suite-update
https://www.dmtf.org/conformance/dash
https://www.dmtf.org/standards/dash
https://www.dmtf.org/content/dash-cts-2018-0