https://www.wolframphysics.org/questions/spacetime-relativity/what-do-your-models-imply-regarding-dark-energy-and-the-cosmological-constant/

I would be a lot more impressed with the Wolfram physics project if they could provide answers to questions like this without a lot of jargony crap. IIUC, he's saying their physics theory (?) is compatible an accelerating expansion which is currently called an effect of dark energy.