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PlatformMinecraft mod for 1.21.1

Cross-platform library mod based on Architectury to access both Forge and Fabric APIs

newest supported 1.21.1UtilityLibrary
Latest version
1.3.4
Loaders
Fabric, Quilt, NeoForge, Forge
Licence
LGPL-3.0-only
Downloads
6.8M
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Platform servers

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

  • 1.21.1
  • Fabric
  • Quilt
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, Quilt, NeoForge, Forge21+declared8 Aug 2024
1.20.1Fabric, Forge, NeoForge, Quilt17+declared12 Jun 2023
1.19.2Quilt, Fabric, Forge, NeoForge17+declared5 Aug 2022
1.16.5Fabric, Quilt, NeoForge, Forge8+declared14 Jan 2021

Download

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

1.3.4release8 Jun 2026

Platform-fabric-1.20.1-1.3.4.jar · 0.9 MB · for 1.20.1

Download latest
735e4da075d2
Older versions11
  • 1.3.312 May 20261.20.1, 1.21.10.7 MBba5d968f0853Get
  • 1.3.228 Mar 20261.20.10.5 MBf0eea75f411fGet
  • 1.3.127 Mar 20261.20.10.5 MB853820dee3ecGet
  • 1.325 Mar 20261.20.1, 1.21.10.7 MBb519abb4623fGet
  • 1.2.11.6.211 Feb 20261.20.1, 1.21.10.5 MB38933bf3d58eGet
  • 1.2.11.6.17 Feb 20261.21.10.4 MBa50c664353e3Get
  • 1.2.11.66 Feb 20261.21.10.4 MBb4e66a6a37aeGet
  • 1.2.11.54 Feb 20261.20.1, 1.21.10.9 MB64c37103804cGet
  • 1.2.11.41 Feb 20261.20.1, 1.21.10.9 MBa6cbcd086d83Get
  • 1.2.11.316 Nov 20251.20.1, 1.21.10.9 MBb0487d22fcd2Get
  • 1.20.1-1.2.11.116 Nov 20251.20.10.5 MB6b8764ef8b17Get

Frequently asked

Does Platform work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Platform 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 Platform support?

Everything the author has declared, from 1.16.5 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Platform support?

Fabric, Quilt, NeoForge, 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 Platform?

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 Platform under?

LGPL-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 Platform?

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 Platform 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.

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? .