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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 1.21.1Library Api
Latest version
Platform-fabric-1.20.1-1.3.4.jar
Minecraft
1.16.5 to 1.21.1
Java
Java 21+
Loaders
Fabric, Quilt, NeoForge, Forge
Licence
not stated
Downloads
18.8M
Updated
3 mo ago
Available on
CurseForge

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
1.21Quilt, Fabric, Forge, NeoForge21+declared13 Jun 2024
1.20.2Quilt, Fabric, Forge, NeoForge17+declared20 Sept 2023
1.20.1Fabric, Forge, NeoForge, Quilt17+declared12 Jun 2023
1.19.2Fabric, Quilt, NeoForge, Forge17+declared5 Aug 2022
1.16.5Fabric, Forge, NeoForge, Quilt8+declared14 Jan 2021

Download

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

All 40 releases
Platform-fabric-1.20.1-1.3.4.jarrelease8 Jun 2026

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

Download latest
1a8c0a12b7f8…
Older versions24
  • Platform-forge-1.20.1-1.3.4.jar8 Jun 20261.20.10.5 MB066cc0680210…Get
  • Platform-fabric-1.21.1-1.3.3.jar12 May 20261.21.10.7 MB667 downloadsb3302ad91581…Get
  • Platform-neoforge-1.21.1-1.3.3.jar12 May 20261.21.10.5 MB4132ad680900…Get
  • Platform-fabric-1.20.1-1.3.3.jar12 May 20261.20.10.9 MBba55ef32ff56…Get
  • Platform-forge-1.20.1-1.3.3.jar12 May 20261.20.10.5 MB8512d726e006…Get
  • Platform-forge-1.20.1-1.3.2.jar28 Mar 20261.20.10.5 MB10.7k downloadsb2d4d3fbf0f1…Get
  • Platform-forge-1.20.1-1.3.1.jar27 Mar 20261.20.10.5 MB1.9k downloadsf4ac8de5327b…Get
  • Platform-fabric-1.21.1-1.3.jar25 Mar 20261.21.10.7 MB2.1k downloadsabc57a537cd2…Get
  • Platform-neoforge-1.21.1-1.3.jar25 Mar 20261.21.10.5 MB64a91143d14a…Get
  • Platform-fabric-1.20.1-1.3.jar25 Mar 20261.20.10.9 MB06f332806aa5…Get
  • Platform-forge-1.20.1-1.3.jar25 Mar 20261.20.10.5 MB1804a9fbaa2d…Get
  • Platform-forge-1.20.1-1.2.11.6.2.jar11 Feb 20261.20.10.5 MB5.6k downloads1854581e32a7…Get
  • Platform-neoforge-1.21.1-1.2.11.6.2.jar11 Feb 20261.21.10.4 MBb33452ab3a00…Get
  • Platform-neoforge-1.21.1-1.2.11.6.1.jar7 Feb 20261.21.10.4 MB2.4k downloads84ae3804b3e5…Get
  • Platform-neoforge-1.21.1-1.2.11.6.jar6 Feb 20261.21.10.4 MB519 downloads6410a054b6f0…Get
  • Platform-fabric-1.20.1-1.2.11.5.jar4 Feb 20261.20.10.9 MB475 downloads30483def4389…Get
  • Platform-forge-1.20.1-1.2.11.5.jar4 Feb 20261.20.10.5 MB5a721449f5ab…Get
  • Platform-fabric-1.21.1-1.2.11.5.jar4 Feb 20261.21.10.7 MB355c4ddaf0e9…Get
  • Platform-neoforge-1.21.1-1.2.11.5.jar4 Feb 20261.21.10.4 MBb031482d101c…Get
  • Platform-fabric-1.20.1-1.2.11.4.jar1 Feb 20261.20.10.9 MB754 downloads6df1fbbfffd3…Get
  • Platform-forge-1.20.1-1.2.11.4.jar1 Feb 20261.20.10.5 MB1 downloads24622aa272a0…Get
  • Platform-fabric-1.21.1-1.2.11.4.jar1 Feb 20261.21.10.7 MB1 downloads1e79148b6916…Get
  • Platform-neoforge-1.21.1-1.2.11.4.jar1 Feb 20261.21.10.5 MB1 downloads94c10ebb7b71…Get
  • platform-fabric-1.21.1-1.2.11.3.jar16 Nov 20251.21.10.7 MB187.4k downloads342ec8915347…Get

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 loader does Platform need?

Fabric, Quilt, NeoForge, 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 Platform?

On the newest Minecraft release 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.

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?

From the author's own page on CurseForge, 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.

BookshelfAn open source library for other mods!GeckoLibA 3D animation library for entities, blocks, items, armor, and more!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)

Last checked 1 mo ago against CurseForge. 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? .