I logged on and when I had found a village, any houses that were above water were either deformed or incomplete.
MC-141997
Village Bug
Resolved
Duplicate
1
Helena June Job
(Unassigned)
Unconfirmed
Minecraft 19w02a
Retrieved
I've also noticed that in some older snapshots, it appears to be very common and can be quite annoying.
Sometimes happens with fields/gardens as well.