OptiFabric Origins
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A mod that allows running OptiFine on 1.14.4 / 1.15.2 Fabric. Bringing OptiFabric back to its roots.
Does not follow a specific thematic focus apart from vanilla Minecraft.
Used for mods with little to no gameplay elements.
A modified or ported version of an existing mod.
Adds extra features or content to an existing mod.
Provides a framework or library for other mods to use.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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OptiFabric Origins (1.14.4 & 1.15.2)
These are the old versions of 1.14.4 and 1.15.2 OptiFabric, updated to work again with the latest Fabric Loader and latest supported Fabric API. I've used code and fixes from later versions of the official OptiFabric to patch these older ones. Full credit goes to modmuss50 for creating OptiFabric and Chocohead for maintaining it, without them this wouldn't have been possible.
For later Minecraft versions see: https://www.curseforge.com/minecraft/mc-mods/optifabric
For even older Minecraft versions see: https://modrinth.com/mod/legacy-optifabric
Important:
- This project does not contain OptiFine, you must download it separately!
- This project is not related or supported by either Fabric or OptiFine.
Installing:
After installing Fabric for 1.14.4 or 1.15.2, you will need to place the corresponding OptiFabric Origins mod jar as well as the OptiFine jar from the official OptiFine website into your mods folder. Fabric Loader should be version 0.9 or later (latest successfully tested version: 0.15)

OptiFabric Origins (1.14.4 & 1.15.2)
These are the old versions of 1.14.4 and 1.15.2 OptiFabric, updated to work again with the latest Fabric Loader and latest supported Fabric API. I've used code and fixes from later versions of the official OptiFabric to patch these older ones. Full credit goes to modmuss50 for creating OptiFabric and Chocohead for maintaining it, without them this wouldn't have been possible.
For later Minecraft versions see: https://www.curseforge.com/minecraft/mc-mods/optifabric
For even older Minecraft versions see: https://modrinth.com/mod/legacy-optifabric
Important:
- This project does not contain OptiFine, you must download it separately!
- This project is not related or supported by either Fabric or OptiFine.
Installing:
After installing Fabric for 1.14.4 or 1.15.2, you will need to place the corresponding OptiFabric Origins mod jar as well as the OptiFine jar from the official OptiFine website into your mods folder.
See the following table for Fabric Loader support:
| Fabric Loader | mc 1.14.4 | mc 1.15.2 |
|---|---|---|
| 0.16.14+ | v3.0.1 | v3.1.1 |
| 0.15.x - 0.16.13 | v2.0.1 | v2.1.1 |
| 0.9.x - 0.14.x | v1.0.1 | v1.1.1 |
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