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OmnilibMinecraft mod for 1.21.5

A framework for enhanced UI elements and customization

client and servernewest supported 1.21.5Library
Latest version
0.1.4
Minecraft
1.19.2 to 1.21.5
Java
Java 21+
Loader
Fabric
Licence
GPL-3.0-only
Downloads
595.4k
Updated
16 mo ago
Available on
Modrinth
Space NodePartner

Host Omnilib servers

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

  • 1.21.5
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5Fabric21+declared25 Mar 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024
1.21.2Fabric21+declared22 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.4Fabric17+declared7 Dec 2023
1.20.1Fabric17+declared12 Jun 2023
1.19.2Fabric17+declared5 Aug 2022

Download

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

0.1.4beta28 Mar 2025

omnilib-0.1.4+1.21.5.jar · 0.2 MB · for 1.21.5

Download latest
eeb9b745d628…
Older versions5
  • 0.1.525 Dec 20241.19.20.2 MB135 downloadsc48c0cd50096…Get
  • 0.1.321 Dec 20241.20.10.2 MB105 downloadse32b595bd2e2…Get
  • 0.1.221 Dec 20241.21.30.2 MB60 downloads2cdbc3719c4c…Get
  • 0.1.110 Dec 20241.20.42.7 MB714 downloads0b1e72de5352…Get
  • 0.1.08 Dec 20241.20.12.7 MB264 downloads2ba4ee6e4671…Get

Frequently asked

Does Omnilib work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version Omnilib 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 Omnilib support?

Everything the author has declared, from 1.19.2 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Omnilib 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 Omnilib 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 Omnilib?

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 Omnilib 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 Omnilib?

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 Omnilib 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.

ImmediatelyFastSpeed up immediate mode rendering in MinecraftYetAnotherConfigLib (YACL)A builder-based configuration library for Minecraft![ETF] Entity Texture FeaturesEmissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for FabricArchitectury APIAn intermediary api aimed to ease developing multiplatform mods.[EMF] Entity Model FeaturesEMF is an, OptiFine format, Custom Entity Model replacement mod available for Fabric and Forge.AppleSkinFood/hunger-related HUD improvements

Last checked 6 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? .