Villagers shouldn't disappear when enclosed in a space like described above that they cannot escape from. However, when I leave and go to a different area (on the same map) for one in-game day, then return, some of the villagers are gone. This is bad because the population decreases. This happens inside buildings and related structures.
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[Mojang] Mega_Spud (Jay)
migrated
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-8002.
It has been linked to this report. If you have additional information, please add it to that report.
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