Closest Issue Found – MC-75851
Village Houses will sometimes spawn with the inability for Villagers to leave, as the Roof and Stairs combined to make the house impossible to leave.
This happens about once per village or every other village usually.
See Seed: 8079723356087975089
at the Co-ordinance shown in the picture.
The base ticket MC-1948 of MC-75851 was resolved as Working as Intended.