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Cleanroom RelauncherMinecraft mod for 1.12.2

Relaunches Forge into Cleanroom!

newest supported release 1.12.2Utility QolServer UtilityLibrary ApiEducation
Latest version
Cleanroom Relauncher 1.3.0
Minecraft
1.12.2
Loader
Forge
Licence
not stated
Downloads
120.2k
Updated
10 d ago
Available on
CurseForge

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.12.2Forge8+declared18 Sept 2017

Download

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

Browse 32 indexed releases

Most recently published release

Cleanroom Relauncher 1.3.0release22 Oct 2026

!cleanroom-relauncher-1.3.0.jar · 2.7 MB · for 1.12.2 · Forge

Download this release
501b3b38e782…
Older versions24
  • Cleanroom Relauncher 1.2.115 Oct 20261.12.22.7 MBda9ae415119b…Get
  • Cleanroom Relauncher 1.2.013 Oct 20261.12.22.7 MB6c457c479f8c…Get
  • Cleanroom Relauncher 1.1.611 Oct 20261.12.22.7 MB7664ad9a4d5b…Get
  • Cleanroom Relauncher 1.1.510 Oct 20261.12.22.7 MB5cfd837e6d13…Get
  • Cleanroom Relauncher 1.1.48 Sept 20261.12.22.7 MB3b8adfb23f35…Get
  • Cleanroom Relauncher 1.1.328 Aug 20261.12.22.7 MBda584b9e38fd…Get
  • Cleanroom Relauncher 1.1.223 Aug 20261.12.22.7 MBbf80f0cd959d…Get
  • Cleanroom Relauncher 1.1.120 Aug 20261.12.22.7 MBfe41b1dabc29…Get
  • Cleanroom Relauncher 1.0.514 Aug 20261.12.22.7 MB9e97d52f15c4…Get
  • Cleanroom Relauncher 1.0.39 Aug 20261.12.22.7 MBa9640d6edf7e…Get
  • Cleanroom Relauncher 1.0.24 Aug 20261.12.22.7 MB91383063e423…Get
  • Cleanroom Relauncher 1.0.127 Jul 20261.12.22.6 MB172 downloadsaf9602158107…Get
  • Cleanroom Relauncher 1.0.025 Jul 20261.12.22.6 MB145 downloads64ad18dc4f0e…Get
  • Cleanroom Relauncher 0.6.315 Jul 20261.12.22.6 MB1.0k downloadsebff95e284e8…Get
  • Cleanroom Relauncher 0.6.25 Jul 20261.12.22.6 MB2.5k downloads291547d917cd…Get
  • Cleanroom Relauncher 0.6.11 Jul 20261.12.22.6 MB1.1k downloadse6b9c8411c65…Get
  • Cleanroom Relauncher 0.6.030 Jun 20261.12.22.8 MB180 downloads779f6330601a…Get
  • Cleanroom Relauncher 0.5.011 May 20261.12.20.4 MB9.4k downloads0d26adc98350…Get
  • !cleanroom-relauncher-0.3.2.jar11 Dec 20251.12.20.3 MB12.7k downloads7cea86e326ac…Get
  • !cleanroom-relauncher-0.3.1.jar7 Oct 20251.12.20.3 MB69 downloads68644e6bc351…Get
  • !cleanroom-relauncher-0.3.0.jar7 Jul 20251.12.20.3 MBf0a401ef1d16…Get
  • cleanroom-relauncher-0.2.6.jar10 May 20251.12.20.3 MB5.3k downloadse3626dcf90c1…Get
  • cleanroom-relauncher-0.2.5.jar24 Apr 20251.12.20.3 MB3.6k downloads60f38d828a17…Get
  • cleanroom-relauncher-0.2.4.jar10 Apr 20251.12.20.3 MB2.2k downloads724f2a035593…Get

Frequently asked

Does Cleanroom Relauncher work on Minecraft 1.12.2?

Yes. 1.12.2 is the newest Minecraft version Cleanroom Relauncher 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 platform or loader does Cleanroom Relauncher support?

Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Cleanroom Relauncher?

Among the supported Minecraft releases above, the highest recorded requirement is Java 8 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Cleanroom Relauncher?

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 Cleanroom Relauncher safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

Details from CurseForge, where the author last updated it on 29 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .