Eaton, has been the main NUT supporter in the past, between 2007 and 2011, continuing MGE UPS SYSTEMS efforts. As such, Eaton has been:
supporting its customers using NUT.
The situation has evolved, and since 2011 Eaton does not support NUT anymore.
This may still evolve in the future.
But for now, please do not consider anymore that buying Eaton products will provide you with official support from Eaton, or a better level of device support in NUT.