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UnionLib Mod for Minecraft 1.21, 26.2

A library mod for all my mods

downloads
6 downloads
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22 views
Updated
Updated 24.10.2026

About the UnionLib mod

DESCRIPTION

This is an API mod, so it provides nothing for users and is intended for developers to use. This mod only does two things, first is making developing multi-loader mods as simple as possible and the second is a configuration system that's very intuitive to use and lacks complexity. I'm sure that nothing this mod provides hasn't been done before, especially the configuration system. Still, if you want to develop your next mod or integrate your current mod with UnionLib, then you should take a look at this resource. I'm sure it'll prove handy.

SUPPORT

If you want to support me, you can do so by either hiring me on Fiverr, subscribing on Patreon or buying my game on Epic Games or Itch.io. It's a racing game that I'm sure you'll have fun in if you're into that. If you have, thank you very much. Thanks to you, I'm able to keep this up.

How to install UnionLib

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 1.21–26.2 on Fabric, Forge, NeoForge or Quilt automatically.

  3. Launch the game

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

Manually

  1. Install Fabric, Forge, NeoForge or Quilt

    The loader must match the game version of the mod file, for example Minecraft 26.2. 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 UnionLib-26.2-13.3-NeoForge.jar (665 KB) 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: UnionLib should be in the list.

Versions

With dependencies

MinecraftLoaderFileDateActions
26.2NeoForgeUnionLib-26.2-13.3-NeoForge665 KB
26.2ForgeUnionLib-26.2-13.3-Forge673 KB 3
26.2Fabric, QuiltUnionLib-26.2-13.3-Fabric1.1 MB 3
1.21NeoForgeUnionLib-1.21.11-12.2-NeoForge751 KB
1.21.11Fabric, QuiltUnionLib-1.21.11-12.2-Fabric1.2 MB

FAQ

Which Minecraft versions does UnionLib work on?

There are files for 26.2, 1.21.11, 1.21. The newest is 26.2.

Is UnionLib for Forge or Fabric?

There are files for Fabric: 1.21.11–26.2, for Forge: 26.2, for NeoForge: 1.21–26.2 and for Quilt: 1.21.11–26.2.

Does UnionLib need other mods?

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

Where can I download UnionLib safely?

On this page: the file UnionLib-26.2-13.3-NeoForge.jar (665 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: d9238aadba48835f37c82887b56816393b8e5259.

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