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Porting Lib Mod for Minecraft 1.20.1, 1.19.2

A collection of utilities for porting mods from Forge to Fabric.

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8 downloads
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Updated
Updated 01.11.2026

About the Porting Lib mod

Porting Lib

Porting Lib is a library providing functionality from Forge to Fabric and Quilt mods.

On it's own, it should have no impact on the game. This mod is for other mod developers, not players.

Porting Lib is made up of several modules, each with their own functionality. This page provides all of them in a single jar.

  • accessors
  • attributes
  • base
  • common
  • constants
  • entity
  • extensions
  • model_generators
  • model_loader
  • models
  • networking
  • obj_loader
  • tags
  • transfer
  • lazy_registration

For information on how to develop with Porting Lib, see the GitHub page.

How to install Porting Lib

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.19.2–1.20.4 on Fabric or Quilt automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric or Quilt

    The loader must match the game version of the mod file, for example Minecraft 1.20.4. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file porting_lib-2.3.15+1.20.1.jar (3.2 MB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: Porting Lib should be in the list.

Minecraft 1.20.4 runs on Java 17: with a different Java version the game may close right after launch.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.20.1Fabric, Quilt2.3.15+1.20.13.2 MB 8
1.19.3Fabric, Quilt2.1.1308+1.19.21.6 MB

FAQ

Which Minecraft versions does Porting Lib work on?

There are files for 1.19.2–1.20.4, 8 versions in total. The newest is 1.20.4.

Is Porting Lib for Forge or Fabric?

There are files for Fabric: 1.19.2–1.20.4 and for Quilt: 1.19.2–1.20.4. There are no files for Forge or NeoForge: a mod for another loader will not start.

Does Porting Lib need other mods?

The author lists no required dependencies: the Fabric or Quilt loader is enough.

Which Java does Porting Lib need?

Minecraft 1.20.4 runs on Java 17. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download Porting Lib safely?

On this page: the file porting_lib-2.3.15+1.20.1.jar (3.2 MB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: e8f2c2177386f56ab837eaef5586972d19166735.

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