Optifine has quite a few problems. Fortunately, this pack has you covered. This pack includes all features from Optifine, but for Fabric! You can add more mods of your choosing at your leisure. Before complaining that a resource pack doesn't work please read the compatibility list below.
Current features:
- Improved performance
- Improved rendering and framerate
- Eye-candy options
- Improved lighting performance
- Modded shaders
- Connected grass
- Capes
For resource packs:
- Skybox support
- More customisable light, biome, and other colours
- Connected textures
- Better item texture customisation (CIT)
- Better block entity customisation
- Better entity feature customisation
- Better entity model customisation
- Better GUI customisation
Tested Resource Packs
Tested Broken

Resource loading error (occurs with and without FabricSkyBoxes Interop)
Very broken. Consider using Stay True or BetterVanillaBuilding instead.

Mobs appear invisible.

Broken textures.
Partially Broken

Contains broken paths. Broken paths must be permitted.

Contains broken paths. Cow and sheep textures are broken. Consider using Better Farm Animals or Reimagined.

Broken animations.

Contains broken paths. Additionally:
- Most animal models have incorrectly oriented model parts. (Pig, Cow, Chicken variants)
- Zombie textures are broken.
- Piglin and Piglin brute variants do not work.
- Panda, parrot, pufferfish, squid, glow squid, and silverfish models not supported by CEM mod.
Reimagined, Better Farm Animals, and BetterVanillaBuilding are alternatives with similar features
Minor Issues
Vanilla Tweaks



The Super Smash Bros Enderman pack has minor model issues when the enderman is aggro.
Tested Working









(Emissive addon seems to be broken)
(Emissive addon seems to be broken)



All PBR resource packs should work as long as a PBR enabled shaderpack is applied.