unfortunately, I'm still trying to fix the save framework and I've done a HUGE overwork of that whole system, which makes it incompatible :( The previous save system was very buggy so I had to prioritize getting it all cleaned up
Not fixable for sure, and i am currently gathering all the bug reports to get to fixing :) eh, the beauty of doing everything in a pocket sized team... ;___;
i'm also a software dev and i know what u mean :-(
Anyway, i started a new game, played for a while, closed the game and reopened it, and i get the same issue even with saves from the same version. hope this helps.