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CurseForge · Minecraft mod

Graal

High performance JavaScript runtime, tweaked for Minecraft usage

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Graal release should I use?

Updated today
Latest stable file 25.1.3.7 for Fabric
Game version 1.20.1, 1.21.1, 1.21.11
Loader Fabric

Graal 25.1.3.7 for Fabric targets 1.20.1, 1.21.1, 1.21.11 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Graal required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Graal 25.1.3.7 for Fabric need?

25.1.3.7 for Fabric. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Graal without breaking your instance.

Built for Graal 25.1.3.7 for Fabric. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 25.1.3.7 for Fabric. It targets 1.20.1, 1.21.1, 1.21.11 with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 25.1.3.7 for Fabric. It opens that exact file at the source.

About this project

What does Graal add?

Graal

is a customized version of GraalJS, a high performance JavaScript implementation. It is ECMAScript-compliant, provides interoperability with Java and other Graal languages.

On top of regular GraalJS features, Graal made these improvements:

  • MemberRemapper support, allowing developers to customize the JavaScript side name of a Java member, like Method and Field
  • Trimmed bundled libraries, making the total mod size ~50% smaller than regular GraalJS

GraalJS Documentation: https://www.graalvm.org/reference-manual/js/

Attention

  1. This is NOT GraalJS or GraalVM. If you encounter issues that are not related to JavaScript itself, send issues to GraalMC GitHub repo before contacting GraalJS or GraalVM
  2. (Fixed in 25.0.2.0) If you are running the game with GraalVM, the game will crash early

Project description from CurseForge.

Pick your setup

Graal by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

19 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Graal versions and loaders

24 of 24 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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