We are working on it. We do not have a fixed release schedule and due to certain circumstances the releases were delayed a bit. Thank you for reading our version! :)
In the event that it really was a typo, then it was a mistake made by the author, since in the raws she explicitly made it clear that the difference is 43 years. Whether this is indeed Hilda's illiteracy or a script typo, is unknown.
Thank you for your comment! As always, we will try to continue with this story until the end of s1 (which has no date yet) as with all our projects. And I actually have good news for y'all: from chapter 45 onwards, the art improves a bit (even the artist is aware of the change, and has explained...