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Quilt Kotlin Libraries (QKL)Minecraft mod for 1.21

Quilt's official Kotlin libraries

newest supported 1.21Library
Latest version
5.0.0+kt.2.0.21+flk.1.12.3
Minecraft
1.19 to 1.21
Java
Java 21+
Loader
Quilt
Licence
Apache-2.0
Downloads
1.2M
Updated
23 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Quilt Kotlin Libraries (QKL) servers

One click and Quilt Kotlin Libraries (QKL) is installed with the right loader, on hardware built for it.

  • 1.21
  • Quilt
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Quilt Kotlin Libraries (QKL) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21Quilt21+declared13 Jun 2024
1.20.4Quilt17+declared7 Dec 2023
1.20.2Quilt17+declared20 Sept 2023
1.20.1Quilt17+declared12 Jun 2023
1.20Quilt17+declared2 Jun 2023
1.19.4Quilt17+declared14 Mar 2023
1.19.3Quilt17+declared7 Dec 2022
1.19.2Quilt17+declared5 Aug 2022
1.19.1Quilt17+declared27 Jul 2022
1.19Quilt17+declared7 Jun 2022

Download

From Quilt Kotlin Libraries (QKL)’s own host. Nothing is re-hosted here.

5.0.0+kt.2.0.21+flk.1.12.3release11 Oct 2024

quilt-kotlin-libraries-5.0.0+kt.2.0.21+flk.1.12.3.jar · 7.3 MB · for 1.21

Download latest
d79c520fbc84…
Older versions16
  • 4.0.0+kt.1.9.23+flk.1.10.193 Apr 20241.20.47.0 MB14.4k downloads194343a97427…Get
  • 3.0.0+kt.1.9.22+flk.1.10.1714 Feb 20241.20.27.0 MB5.3k downloadsa8262a92f5a7…Get
  • 2.1.3+kt.1.9.10+flk.1.10.1013 Sept 20231.20.17.0 MB1.0M downloads21c93d576808…Get
  • 2.1.2+kt.1.9.0+flk.1.10.82 Aug 20231.20.17.0 MB15.4k downloads7268cf2be87b…Get
  • 2.1.1+kt.1.9.0+flk.1.9.61 Aug 20231.20.17.0 MB783 downloads16fc5aabf136…Get
  • 2.1.014 Jun 20231.20, 1.20.123.1k downloads
  • 2.0.2+kt.1.8.20+flk.1.9.314 Apr 20231.19.46.9 MB14.1k downloadsf45524a952c2…Get
  • 2.0.1+kt.1.8.20+flk.1.9.34 Apr 20231.19.46.9 MB646 downloads7f80a34526ea…Get
  • 1.1.1+kt.1.8.10+flk.1.9.215 Mar 20231.19.36.8 MB2.5k downloads4c4274f13214…Get
  • 1.1.0+kt.1.8.0+flk.1.9.05 Jan 20231.19.36.7 MB2.7k downloadsdecfc5e3f849…Get
  • 1.0.2+kt.1.8.0+flk.1.9.05 Jan 20231.19.26.8 MB73.0k downloads808b9edb0ee7…Get
  • 1.0.1+kt.1.7.22+flk.1.8.622 Dec 20221.19.26.7 MB1.3k downloads0e5110a32d00…Get
  • 1.0.0+kt.1.7.20+flk.1.8.54 Dec 20221.19.26.7 MB1.2k downloads641086607961…Get
  • 0.1.2-MODFEST+kt.1.7.10+flk.1.8.220 Aug 20221.19, 1.19.1, 1.19.26.2 MB4.9k downloads3a101ef5e9ca…Get
  • 0.1.1-MODFEST+kt.1.7.10+flk.1.8.220 Aug 20221.19, 1.19.1, 1.19.2226 downloads
  • 0.1.0+kt1.7..10+flk.1.8.2-MODFEST20 Aug 20221.19, 1.19.1, 1.19.2261 downloads

Frequently asked

Does Quilt Kotlin Libraries (QKL) work on Minecraft 1.21?

Yes. 1.21 is the newest Minecraft version Quilt Kotlin Libraries (QKL) 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 Quilt Kotlin Libraries (QKL) support?

Everything the author has declared, from 1.19 up to 1.21. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Quilt Kotlin Libraries (QKL) support?

Quilt. 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 Quilt Kotlin Libraries (QKL)?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Quilt Kotlin Libraries (QKL) under?

Apache-2.0, 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 Quilt Kotlin Libraries (QKL)?

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 Quilt Kotlin Libraries (QKL) safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and 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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Last checked 2 mo 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? .