4 months later, I had the same question. I dug back in the updates and further on the patreon, and there is a version on there that is 1.85.
As far as I can understand maybe they had messed up the releases or something but the continuation from part one was through there. (link to their patreon so you could find it if not already done - https://www.patreon.com/futabox/about)