After two years of specification and experimentation, the two first IDMEFv2 IETF Drafts have been published in the official Datatracker. The road to standardization is still very long and uncertain but this is definitely a very important first step !
This is the V00 version. It’s usable but imperfect. The V01 one will correct the major bugs. We plan the V01 submission end of T1 2023.