Authors: Qizhen Ying, Yangchen Pan, Victor Adrian Prisacariu, Junfeng Wen (Not sure if any of them is actually on Twitter)
Temporal Difference Learning for Diffusion Models (ICML26) https://arxiv.org/abs/2606.15048 By Yangchen Pan (my former PhD student) and co. It reformulates diffusion training as a Markov reward process and introduces a TD obj to encourage temporal consistency across denoising steps.