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Function Compiler

This mod allows the server to automatically compile most of the functions to Java bytecode

server onlynewest supported 1.21.4OptimizationCursed
Latest version
no release indexed
Minecraft
1.19.4 to 1.21.4
Java
Java 21+
Loaders
Quilt, Fabric
Licence
LGPL-3.0-only
Downloads
11.0k
Updated
16 mo ago
Available on
Modrinth

Minecraft versions

Every version Function Compiler declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.4Quilt, Fabric21+declared3 Dec 2024
1.21.3Fabric, Quilt21+declared23 Oct 2024
1.21.2Fabric, Quilt21+declared22 Oct 2024
1.21.1Quilt, Fabric21+declared8 Aug 2024
1.21Quilt, Fabric21+declared13 Jun 2024
1.20.6Fabric, Quilt21+declared29 Apr 2024
1.20.5Quilt, Fabric21+declared23 Apr 2024
1.20.4Quilt, Fabric17+declared7 Dec 2023
1.20.3Quilt, Fabric17+declared4 Dec 2023
1.20.2Fabric, Quilt17+declared20 Sept 2023
1.20.1Quilt, Fabric17+declared12 Jun 2023
1.20Quilt, Fabric17+declared2 Jun 2023
1.19.4Quilt, Fabric17+declared14 Mar 2023

Frequently asked

Does Function Compiler work on Minecraft 1.21.4?

Yes. 1.21.4 is the newest Minecraft version Function Compiler declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Function Compiler support?

Everything the author has declared, from 1.19.4 up to 1.21.4. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Function Compiler on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which loader does Function Compiler need?

Quilt, Fabric. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Function Compiler?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is Function Compiler under?

LGPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Function Compiler?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Function Compiler safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 1 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.