DMan16

Datapack has been attached.

The only file in it is located in "data/minecraft/dimension_type/overworld.json":

{
  "ambient_light": 0.0,
  "bed_works": true,
  "coordinate_scale": 1.0,
  "effects": "minecraft:overworld",
  "has_ceiling": false,
  "has_raids": true,
  "has_skylight": true,
  "height": 384,
  "infiniburn": "#minecraft:infiniburn_overworld",
  "logical_height": 384,
  "min_y": -64,
  "monster_spawn_block_light_limit": 15,
  "monster_spawn_light_level": {
    "type": "minecraft:uniform",
    "max_inclusive": 15,
    "min_inclusive": 10
  },
  "natural": true,
  "piglin_safe": false,
  "respawn_anchor_works": false,
  "ultrawarm": false
}

Hah, good to know...

Thx @Avoma!

Tested on both 1.16.4 and 20w48a

Tested on both Survival and Creative mode