There hasn't been an update since 2020. I think it's safe to say it isn't happening.
Whether or not he does or don't, doesn't really matter to me. I've no interest in this anymore or anything made by this dev. Assuming he even does, I'm not going to pick it back up so it can be tossed aside at a later date for another game that he wants to start.
Plenty of other games out there by devs that are actually motivated to finish a project.