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CoroUtilMinecraft mod for 1.21.4

Shared library mod for Corosus's mods

client and servernewest supported 1.21.4Library
Latest version
1.21.4-1.3.8
Minecraft
1.16.5 to 1.21.4
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
LicenseRef-All-Rights-Reserved
Downloads
26.9M
Updated
18 mo ago
Available on
Modrinth
Space NodeOur hosting

Host CoroUtil servers

One click and CoroUtil is installed with the right loader, on hardware built for it.

  • 1.21.4
  • NeoForge
  • Forge
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.4NeoForge, Forge, Fabric21+declared3 Dec 2024
1.21.3Fabric, NeoForge, Forge21+declared23 Oct 2024
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.21NeoForge, Forge, Fabric21+declared13 Jun 2024
1.20.6Forge, Fabric, NeoForge21+declared29 Apr 2024
1.20.4Forge, Fabric, NeoForge17+declared7 Dec 2023
1.20.1NeoForge, Forge, Fabric17+declared12 Jun 2023
1.19.4Fabric, NeoForge, Forge17+declared14 Mar 2023
1.19.2Forge, NeoForge, Fabric17+declared5 Aug 2022
1.18.2Forge, NeoForge, Fabric17+declared28 Feb 2022
1.16.5Forge, NeoForge, Fabric8+declared14 Jan 2021

Download

From CoroUtil’s own host. Nothing is re-hosted here.

1.21.4-1.3.8release20 Mar 2025

coroutil-fabric-1.21.4-1.3.8.jar · 2.9 MB · for 1.21.4

Download latest
ad6cc4698ac4…
Older versions16
  • 1.21.3-1.3.817 Mar 20251.21.32.8 MB551 downloadsc611add344fd…Get
  • 1.21.1-1.3.812 Mar 20251.21.12.8 MB2.1M downloads8fe6c7bc6ddf…Get
  • 1.21.0-1.3.814 Sept 20241.21, 1.21.10.1 MB1.8M downloadsdaae9e37acdd…Get
  • 1.21.0-1.3.714 Sept 20241.21, 1.21.10.1 MB845.7k downloads368a59afb125…Get
  • 1.20.6-1.3.714 Sept 20241.20.62.6 MB2.2k downloads4a81e61eddcc…Get
  • 1.20.4-1.3.714 Sept 20241.20.40.1 MB25.4k downloads9e423cef128f…Get
  • 1.20.1-1.3.715 Feb 20241.20.12.3 MB12.6M downloads4a03363dd9cf…Get
  • 1.19.2-1.3.65 Jan 20241.19.22.3 MB2.5M downloadsc23a7fca2b37…Get
  • 1.19.4-1.3.64 Jan 20241.19.42.3 MB3.3k downloads1352f9ed317f…Get
  • 1.18.2-1.3.64 Jan 20241.18.20.5 MB81.9k downloads4681edca2d28…Get
  • 1.16.5-1.3.64 Jan 20241.16.51.2 MB41.8k downloads8caff63bc9b5…Get
  • 1.20.1-1.3.631 Dec 20231.20.10.1 MB35.3k downloadse027cb458efa…Get
  • 1.20.1-1.3.528 Dec 20231.20.12.3 MB515.1k downloadseb3d9f692b7b…Get
  • 1.20.1-1.3.421 Dec 20231.20.10.1 MB1.6k downloads6b3bc8a077fa…Get
  • 1.20.1-1.3.39 Dec 20231.20.10.1 MB24.0k downloadsc26b1e1e5b93…Get
  • 1.20.1-1.3.015 Nov 20231.20.10.1 MB50.6k downloadsb3c10531a121…Get

Frequently asked

Does CoroUtil work on Minecraft 1.21.4?

Yes. 1.21.4 is the newest Minecraft version CoroUtil 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 CoroUtil support?

Everything the author has declared, from 1.16.5 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 CoroUtil on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which loader does CoroUtil need?

NeoForge, Forge, 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 CoroUtil?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is CoroUtil under?

LicenseRef-All-Rights-Reserved, 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 CoroUtil?

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 CoroUtil 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 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .