Can confirm, from 20w06a to 20w07a. Cannot confirm, from other version to 20w07a.
Exception:
Villagers spawned by spawn egg don't despawn upon same upgrade. But they despawn upon same upgrade after their inventry or jobs are changed.
ShioOshii
Can confirm, from 20w06a to 20w07a. Cannot confirm, from other version to 20w07a.
Exception:
Villagers spawned by spawn egg don't despawn upon same upgrade. But they despawn upon same upgrade after their inventry or jobs are changed.