so i have a baby then it says my baby is ready to grow up i right-click it and i shows a girl villager but i waited for more than 60 minutes and its not growing taller pls help i want to get my kids have children and a spouses

Duplicate of #75. Make sure you have MCA 4.0.0. Not MCA 4.0.0.Beta, or MCA 4.0.0.Alpha.