Animals and hostile mobs spawn.
How to recreate:
1- create world
2- select flat world and void template
3- finish creating world
Expectation: no mobs spawn
Result: mobs spawn
I’m assuming the biome is actually the plains biome.
Comments 3
That was your bug. It was resolved because it’s working as intended. I don’t understand. They intended it to be different from Java?
Probably duplicate of MCPE-224456