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FTB Library (Forge) (Legacy)Minecraft mod for 1.12.2

FTB Library is a library mod that is used for some of our mods.

newest supported release 1.12.2Server UtilityLibrary ApiMap Information
Latest version
FTBLib-5.4.7.2.jar
Minecraft
1.7.10 to 1.12.2
Java
Java 8+
Loader
Forge
Licence
not stated
Downloads
99.6M
Updated
15 mo ago
Available on
CurseForge

Minecraft versions

Every version FTB Library (Forge) (Legacy) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.12.2Forge8+declared18 Sept 2017
1.12.1Forge8+declared3 Aug 2017
1.12Forge8+declared2 Jun 2017
1.11.2Forge8+declared21 Dec 2016
1.11.1Forge8+declared20 Dec 2016
1.11Forge8+declared14 Nov 2016
1.10.2Forge8+declared23 Jun 2016
1.10Forge8+declared8 Jun 2016
1.9.4Forge8+declared10 May 2016
1.8.9Forge8+declared3 Dec 2015
1.8.8Forge8+declared27 Jul 2015
1.8Forge8+declared2 Sept 2014
1.7.10Forge8+declared14 May 2014

Download

From FTB Library (Forge) (Legacy)’s own host. Nothing is re-hosted here.

Browse 40 indexed releases

For Minecraft 1.12.2

Choose the loader you use before downloading.

  • Loader not listed

    FTBLib-5.4.7.2.jar · 22 Jun 2020 · FTBLib-5.4.7.2.jar

    Get release

  • Forge

    FTBLib-5.4.7.0.jar · 28 Feb 2020 · FTBLib-5.4.7.0.jar

    Get Forge

Most recently published release

FTBLib-5.4.7.2.jarrelease22 Jun 2020

FTBLib-5.4.7.2.jar · 0.9 MB · for 1.12.2

Download this release
7c20cd223bc2…
Older versions24
  • FTBLib-5.4.7.0.jar28 Feb 20201.12.20.9 MB3.9M downloads813b7ea1c8ff…Get
  • FTBLib-5.4.6.0.jar28 Feb 20201.12.20.9 MB16.0k downloadsadcfff0b8a5f…Get
  • FTBLib-5.4.5.1.jar27 Feb 20201.12.20.9 MB9.5k downloadsc95ad6f51545…Get
  • FTBLib-5.4.5.0.jar22 Feb 20201.12.20.9 MB282.4k downloadsf9d534fd5ada…Get
  • FTBLib-5.4.4.5.jar25 Nov 20191.12.20.9 MB2.4M downloads739da8708682…Get
  • FTBLib-5.4.4.4.jar7 Nov 20191.12.20.9 MB545.7k downloads273596dba268…Get
  • FTBLib-5.4.4.3.jar6 Nov 20191.12.20.9 MB173.8k downloadsd83e61bc5146…Get
  • FTBLib-5.4.3.2.jar6 Nov 20191.12.20.9 MB917 downloadscf0a8f3090b6…Get
  • FTBLib-5.4.3.151.jar6 Nov 20191.12.20.9 MB574 downloads93e3bee2ffbc…Get
  • FTBLib-5.4.3.150.jar6 Nov 20191.12.20.9 MB336 downloads189b17590c57…Get
  • FTBLib-5.4.3.149.jar1 Nov 20191.12.20.9 MB442.8k downloads017696f9b813…Get
  • FTBLib-5.4.3.148.jar30 Oct 20191.12.20.9 MB15.4k downloadsafaf1b907b2e…Get
  • FTBLib-5.4.3.147.jar26 Oct 20191.12.20.9 MB175.1k downloadsd12d80965bec…Get
  • FTBLib-5.4.3.146.jar25 Oct 20191.12.20.9 MB2.6k downloadsb635d0d0b8a7…Get
  • FTBLib-5.4.3.145.jar25 Oct 20191.12.20.9 MB6.6k downloads0462b83be45d…Get
  • FTBLib-5.4.3.144.jar24 Oct 20191.12.20.9 MB4.2k downloads78ea5ddad7c7…Get
  • FTBLib-5.4.3.143.jar22 Oct 20191.12.20.9 MB58.7k downloads62fd84e24b75…Get
  • FTBLib-5.4.3.142.jar19 Oct 20191.12.20.9 MB300.1k downloads8786603421f4…Get
  • FTBLib-5.4.3.141.jar7 Oct 20191.12.20.9 MB182.0k downloadsda609ca66feb…Get
  • FTBLib-5.4.3.140.jar6 Oct 20191.12.20.9 MB6.5k downloads2a239372a923…Get
  • FTBLib-5.4.3.139.jar5 Oct 20191.12.20.9 MB5.3k downloads3c22185ba124…Get
  • FTBLib-5.4.3.138.jar11 Sept 20191.12.20.9 MB1.1M downloads383bd8ccacac…Get
  • FTBLib-5.4.3.137.jar10 Sept 20191.12.20.9 MB13.0k downloads859e74942d8b…Get
  • FTBLib-5.4.3.136.jar9 Sept 20191.12.20.9 MB8.1k downloads8f9fa4a216d8…Get

Frequently asked

Does FTB Library (Forge) (Legacy) work on Minecraft 1.12.2?

Yes. 1.12.2 is the newest Minecraft version FTB Library (Forge) (Legacy) 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 FTB Library (Forge) (Legacy) support?

Everything the author has declared, from 1.7.10 up to 1.12.2. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does FTB Library (Forge) (Legacy) 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 FTB Library (Forge) (Legacy)?

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 FTB Library (Forge) (Legacy)?

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 FTB Library (Forge) (Legacy) 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.

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Details from CurseForge, where the author last updated it on 22 Jul 2025. 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? .