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RLMixinsMinecraft mod for 1.12.2

Minecraft and Minecraft mod tweaker and fixer for the modpack RLCraft

client and servernewest supported 1.12.2UtilityGame MechanicsOptimizationManagement
Latest version
1.4.7
Minecraft
1.12.2
Java
Java 8+
Loader
Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
6.1k
Updated
2 mo ago
Available on
Modrinth
Space NodePartner

Host RLMixins servers

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

  • 1.12.2
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.12.2Forge8+declared18 Sept 2017

Download

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

1.4.7release26 May 2026

RLMixins-1.4.7.jar · 1.2 MB · for 1.12.2

Download latest
ea039885d242…
Older versions13
  • 1.4.45 Aug 20251.12.21.2 MB1.1k downloads2410f8f7bc50…Get
  • 1.4.319 Jul 20251.12.21.2 MB213 downloads9ef47a9326da…Get
  • 1.4.218 Jul 20251.12.21.2 MB88 downloadsb7d0c9a7809f…Get
  • 1.4.111 Jul 20251.12.21.2 MB135 downloads289edec55d9a…Get
  • 1.4.010 Jul 20251.12.21.2 MB60 downloadsdfb5d710d1e9…Get
  • 1.3.811 Oct 20241.12.22.0 MB1.9k downloads7a13994f33c4…Get
  • 1.3.72 Oct 20241.12.22.0 MB114 downloads0d59e07d358e…Get
  • 1.3.621 Sept 20241.12.22.0 MB151 downloads65468675de04…Get
  • 1.2.1222 Apr 20231.12.21.8 MB1.5k downloadsc9e6aae0eac4…Get
  • 1.2.526 Mar 20231.12.21.8 MB160 downloads8a6e6e25fbf1…Get
  • 1.2.423 Mar 20231.12.21.8 MB147 downloads9e442eb2a049…Get
  • 1.2.321 Mar 20231.12.21.8 MB126 downloadsa8657d047603…Get
  • 1.2.217 Mar 20231.12.21.8 MB157 downloads4cbc50c7bf77…Get

Frequently asked

Does RLMixins work on Minecraft 1.12.2?

Yes. 1.12.2 is the newest Minecraft version RLMixins declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install RLMixins 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 RLMixins need?

Forge. 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 RLMixins?

Java 8 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 RLMixins 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 RLMixins?

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 RLMixins 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 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.

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