the version numbers are indeed a bit confusing! i joined the development team a year or so after another chance was first released, so i couldn't really tell you why they're labeled that way.
as for the game's current state, it is still in early development, with updates at the start of each month! we are reaching the end of the first chapter, and there are four planned in total — one for each season.
although, despite the small file sizes, another chance does have enough content to keep you busy for a while (5-6 hours of playtime, maybe? but that's just an educated guess)!