What is the updated NVFP4 recipe for Nemotron 3 SUPER/ULTRA?

Hi there,

I saw mentioning of an updated NVFP4 recipe mentioned in https://developer.nvidia.com/blog/inside-nvidia-nemotron-3-techniques-tools-and-data-that-make-it-efficient-and-accurate/#nvfp4_training

So, I was wondering what exactly has changed compared to the reciped in NVFP4 pretraining paper https://arxiv.org/pdf/2509.25149 ?

Many thanks