Custom/Default dimension types

These are the settings used by the 3 dimensions present in Vanilla and the additional Overworld Caves settings provided by Minecraft.

Property	Overworld	The Nether	The End	Overworld Caves
`ultrawarm`	false	true	false	false
`natural`	true	false	false	true
`coordinate_scale`	1.0	8.0	1.0	1.0
`piglin_safe`	false	true	false	false
`respawn_anchor_works`	false	true	false	false
`bed_works`	true	false	false	true
`has_raids`	true	false	true	true
`has_skylight`	true	false	false	true
`has_ceiling`	false	true	false	true
`fixed_time`	N/A	18000	6000	N/A
`ambient_light`	0.0	0.1	0.0	0.0
`logical_height`	256	128	256	256
`infiniburn`	infiniburn_overworld	infiniburn_nether	infiniburn_end	infiniburn_overworld
`effects`	overworld	the_nether	the_end	overworld

Sources