I made the world, did /locate biome plains, teleported there, and then found a village on an ocean. It did the normal thing with the wooden planks as a bridge, but there were random path blocks, with a chunk of land underneath, as well as the ocean floor below those spots were not quite right.
Environment
Seed: 6880321380835698569
Tp command: /execute in minecraft:overworld run tp @s -465.30 69.57 479.69 -736.34 23.96
Attachments
Comments 4
I think this is similar to MC-214795.
can confirm in 21w37a
Seed: 7266602473361115798
Coordinates: 49855 63 49894