Backports Configurable Phantoms from 1.13 to 1.12.2, Requires AtlasLib.
Featuring vanilla accurate but configurable spawning.
Full Content
Phantoms
Phantom Spawning
Phantom Membrane
Slow Falling
Phantom Membrane Elytra repairing
doInsomnia gamerule to disable/enable spawning in game
Config Options
Phantoms is entirely configurable including but not limited to:
Phantom Attributes
Phantom Spawn Mechanics including changing how long the sleep timer is before they spawn, inverting the timer so it instead spawns phantoms the more a player sleeps, or disableing spawning entirely
Phantom spawn biomes and dimensions - you can blacklist or whitelist biomes phantoms are able to spawn in or even specify the dimensions they spawn in, if for example you wanted to spawn them in the end, you can configure the mod to do that.
Phantom group size
Options to use and customize the unused size property from vanilla phantoms