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ConiumMinecraft mod for 1.21.11

Conium is a datapack and script framework for modern Minecraft, it provides very diverse features without Java coding, Conium lets you complete your mods only using datapacks.

client and servernewest supported 1.21.11Game MechanicsLibraryOptimizationManagement
Latest version
1.0.0-alpha14
Minecraft
1.21.3 to 1.21.11
Java
Java 21+
Loader
Fabric
Licence
GPL-3.0-only
Downloads
1.4k
Updated
7 mo ago
Available on
Modrinth
Space NodePartner

Host Conium servers

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

  • 1.21.11
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11Fabric21+declared9 Dec 2025
1.21.8Fabric21+declared17 Jul 2025
1.21.7Fabric21+declared30 Jun 2025
1.21.6Fabric21+declared17 Jun 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024

Download

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

1.0.0-alpha14alpha5 Jan 2026

Conium-fabric-1.0.0-alpha15.jar · 85.1 MB · for 1.21.11

Download latest
1b17a7ee8ff3…
Older versions16
  • 1.0.0-alpha133 Sept 20251.21.884.7 MB74 downloads67ed98dfdfa0…Get
  • 1.0.0-alpha1226 Jul 20251.21.6, 1.21.7, 1.21.884.7 MB103 downloads128364c36408…Get
  • 1.0.0-alpha11-fix12 Jul 20251.21.6, 1.21.7, 1.21.8101.6 MB61 downloadsb9be2503e010…Get
  • 1.0.0-alpha112 Jul 20251.21.7, 1.21.8101.6 MB56 downloads23fd7672d41d…Get
  • 1.0.0-alpha1027 Mar 20251.21.4104.6 MB126 downloads471350e48592…Get
  • 1.0.0-alpha99 Feb 20251.21.4121.6 MB88 downloadsad3f7a98b6d5…Get
  • 1.0.0-alpha82 Feb 20251.21.4103.1 MB76 downloadsd6100dd97734…Get
  • 1.0.0-alpha7-fix17 Dec 20241.21.484.5 MB120 downloads0471d2ce5d15…Get
  • 1.0.0-alpha716 Dec 20241.21.484.5 MB84 downloadsd44ffdfef18b…Get
  • 1.0.0-alpha628 Nov 20241.21.384.0 MB97 downloadsa989855ba390…Get
  • 1.0.0-alpha5-fix116 Nov 20241.21.383.4 MB82 downloads8fa83ccd34b6…Get
  • 1.0.0-alpha514 Nov 20241.21.383.4 MB57 downloads187d55b8b291…Get
  • 1.0.0-alpha48 Nov 20241.21.383.4 MB82 downloadsa9836db19de0…Get
  • 1.0.0-alpha34 Nov 20241.21.383.3 MB60 downloads5ffc1421d631…Get
  • 1.0.0-alpha22 Nov 20241.21.383.3 MB86 downloadsbe16d5464bcd…Get
  • 1.0.0-alpha11 Nov 20241.21.383.2 MB83 downloadsdaa0dc3ad9e0…Get

Frequently asked

Does Conium work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Conium 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 Conium support?

Everything the author has declared, from 1.21.3 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Conium 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 Conium need?

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 Conium?

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 Conium under?

GPL-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 Conium?

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 Conium 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 13 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.

Is this information wrong or missing something? .