Since there isn't a changelog yet, I believe the changes so far are:
-Jenny Stuff
*reworked Jenny's shop/house
*implemented Jenny's husband as a character
*implemented quest to stop Jenny's husband from gambling
*ability to play against Jenny's husband and make him lose coins he doesn't have to begin with
*cash in on the debt via services rendered by Jenny
*continue down this path till the point where you can end up attempting to get Jenny pregnant
*can get Jenny pregnant
*Jenny can give birth
*Jenny has a sexy outfit available via the clothing merchant (as per usual)
*all respective scenes implemented of various positions and views of having sex with Jenny, both pregnant and not pregnant
*additional scenes of having sex with Jenny after she's given birth to a child and isn't pregnant yet with a next one
-Hilde Stuff
*if you arrive on certain days the giants will be holding a contest of strength (boulder lifting)
*if you manage to lift the heaviest stone of all, everyone will be impressed, including Hilde
*Hilde will want to start trying for a child
*includes a new position with Hilde
*I have not yet seen Hilde get pregnant so far
-Rosy Stuff
*you can have your children work the field for a small amount of weekly pay
-MC's succubus daughter
*a new scene when catching her on her bed before sleep time where she is playing with herself
*can get involved yourself with & without her special outfit
That's all I got, I think.