when it turns to night or a raid starts in a village, villagers always just stay outside and don't go inside, which causes them to be killed quickly. This has been a bug for all of the 1.14 snapshots so far and still hasn't been fixed.
MC-148002
Villagers don't enter homes during raids/night
Resolved
Duplicate
0
james jackson
(Unassigned)
Unconfirmed
Minecraft 1.14 Pre-Release 2
Retrieved
Duplicate of MC-12675