I generated a customized world with lava oceans, ocean monuments are surrounded by water.
What I expected to happen was...:
Either the ocean monument was filled and surrounded with lava, either a border between lava and water
What actually happened was...:
The ocean monument was not filled and surrounded with lava and there was no border between lava and water
Steps to Reproduce:
1. Generate a customized world with lava oceans
2. Find a monument ocean
P.S: This couldn't be a bug, since ocean monuments filled with lava would be pointless, but I was at least expecting a border between lava/water.
Won't be fixed more than the current state: MC-63914