Feature
Using reusable textures for mods instead of hardcoded ones.
It's data-driven.
So, you can modify the textures generated with the resource pack.
Also, add compatibility to any mod with any resource packs.
For example:
Supported
Fabric Waystones
 
Spell Engine
 
Runes
Lazy
Farmer's Delight
Lazy
Pack It Up
Lazy
Illager Invasion
Lazy
Amethyst Imbuement
 