I think the most anyone can say is that the chips that are used in the supported NUCs are probably supported, although that may not be the case for the NUC 8 and 10 models.
See:
We recommend using the onboard ethernet, but support for some USB ethernet and WiFi adapters is included. Some of the above NUC7s have built-in WiFi, which we may support, but once again, we recommend using ethernet and not assuming WiFi works here, or is an acceptable solution for Roon Core connectivity.
(ROCK KB Article); and