While playing today my infant got the sit up milestone. However the game would not progress further. This is my first time having the bug since the update and getting new packs. The infant got the si...
Ideas
this happened with my new infant. I made a separate save right before she was born and went back to that save, even if that meant I lost progress on my current file, because I had seen so many milestones pass by without them registering and felt sad because I wanted to see her childhood progress.
main point: everything was going well after her birth, new milestones were registering, but after the father went off the lot to his reaper career, he came home to the mother witnessing a milestone but with no actual happening/notification all over again.
I doubt everybody who has this problem has the reaper career or even has sims who go off lot for careers, but it could be part of the problem and if the devs can use this info, I hope it helps.