Until September 2022 when he uploaded a video showing what appeared to Be Mugen characters working inside the Unity engine:
And then things got even more interesting when he uploaded a video showing 3D asset based stages working in conjunction with imported mugen characters
Not much more is known other than the few videos on his youtube channel but it is safe to say that UnityMugen offers another interesting competitor for the next evolution of Mugen clone engines.
Very interesting! Look out Ikemen & Unrealfighter2D, you may have some more competition on the horizon.