Fixes:

Fixed Wulfrum Digging Turtle not working

Fixed Milk not working on custom potion effects

Fixed Yellow Slimes taking fall damage from jumping

Changed "Veiw debug menu:" to "View debug menu:"

Fixed Tinkers Workshop not being obtainable

Actually fixed Slime Rain event timer restarting occasionally

Changes

Now in 1.21.4!

Reworked ALL the models to 1.21.4's new item model system

Added new item sprites for:

Diving Helmet, 0x33 Aviators, Sunglasses, Goggles, Wulfrum Prosthesis, Scourge of the Desert, Spawn Eggs based on 1.21.5 spawn eggs, Reforge Item

Added new held models for:

Wooded Yoyo, Amazon, Artery, Malaise, Riptide, Blade of Grass, Depth Crusher, Muramasa, Bone Javalin, Teardrop Cleaver, Redtide Spear, Dry Bomb, Honey Bomb, Lava Bomb, Wet Bomb, Seafoam Bomb, Wulfrum Digging Turtle

Added animation for Blood Rain Bow

Magic items can now be used in creative even if you haven't collected any experience