I think you can get the firmware version on Hubitat by using the Zwave Firmware updater. At least I get what I think is a valid version of 1.2 when I use that tool.
Also Basic Zwave tool shows this in logs, so I do think that is what firmware version this particular device is on. VersionReport- applicationVersion:1.2
Edit to add, mine seem to work fine. I bought these used on Ebay, so no history of how/when they might have been updated.
