Geckolib 4.7.6 - 1.21.1
Curios API 9.5.1 - 1.21.1
For a start, let me tell you the new biomes I added -

Pink Lichen (Block)
Overgrown Pink Lichen (Block)
A Woodset - Shadowpine (Blocks)
Bioluminescent Chorus Fruit (Block)
Chorus Torch (Block)
End Floating Tower (Structure)
Departed End Ship (Structure)
End Floating Farm (Structure)
End Whale (Mob) - Can be ridden
The Devoid
Void Block (Block)
Void Crystal (Block)
Void Herbage (Block)
Gleam (Block)
Gleam Fruit (Item) - When eaten, the player gives off a subtle glow
Void Shards (Item) - Can be used to craft a Vacuo Ampul and an End Portal Frame
Vacuo Ampul (Item) - Can be used to store a specific amount of XP
The Drift Lands

Drift Stone (Block)
FloatShroom Stem (Block) - If a player jumps off a FloatShroom Stem, the player will get Slow Falling until they reach the ground
FloatShroom (Block) - If a player steps on a FloatShroom, they will be shot up into the sky
Hover Bush (Block)
Hover Berries (Item)
End Gravitate (Structure) - See more




Hint - Look at the advancement you get from this mob, and try to use Crying Obsidian.