Villager Breeding Bug

Villagers can breed, but the baby villagers don't spawn after "breeding process".

 

I thought that the baby villagers will spawn after "breeding process".

 

Baby Villagers don't spawn after "breeding process".

 

Triggering this Bug:
1. Give food (3+ bread, 12+ potatoes/carrots/beetroots, 9+ wheat) to the villagers.
2. Make sure that the villagers have a house with the bed & the workplace corresponding to profession of the villager.
3. Wait & Spectate.