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mod

CumulusMinecraft mod for 1.21.1

An API for custom and compatible main menu registration.

client and servernewest supported 1.21.1Library
Latest version
1.21.1-2.0.8-neoforge
Minecraft
1.19.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
LGPL-3.0-only
Downloads
205.9k
Updated
6 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Cumulus servers

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

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.20.4Fabric, NeoForge, Forge17+declared7 Dec 2023
1.20.2Fabric, Forge, NeoForge17+declared20 Sept 2023
1.20.1Fabric, NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge, Fabric17+declared14 Mar 2023
1.19.2NeoForge, Fabric, Forge17+declared5 Aug 2022

Download

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

All 37 releases
1.21.1-2.0.8-neoforgerelease7 Oct 2025

cumulus_menus-1.21.1-2.0.8-neoforge.jar · 0.4 MB · for 1.21.1

Download latest
b38aa9978b89…
Older versions24
  • 1.21.1-2.0.8-fabric7 Oct 20251.21.10.4 MB3.8k downloads9a6aedee1fb1…Get
  • 1.21.1-2.0.7-neoforge15 Aug 20251.21.10.4 MB37.7k downloads6e9345954719…Get
  • 1.21.1-2.0.7-fabric15 Aug 20251.21.10.4 MB1.5k downloadsb1b9a82a7dcc…Get
  • 1.20.1-1.0.2-fabric22 Jul 20251.20.10.5 MB4.0k downloads1d421c487073…Get
  • 1.21.1-2.0.6-neoforge20 Jun 20251.21.10.4 MB2.0k downloads55b1801f4cb6…Get
  • 1.21.1-2.0.6-fabric20 Jun 20251.21.10.4 MB1.7k downloadsc76332283ee3…Get
  • 1.21.1-2.0.5-neoforge5 Apr 20251.21.10.4 MB1.7k downloads0fc1d95e6875…Get
  • 1.21.1-2.0.5-fabric5 Apr 20251.21.10.4 MB992 downloads202dfe191dcc…Get
  • 1.21.1-2.0.4-neoforge26 Mar 20251.21.10.4 MB177 downloads2bc10f1b98e1…Get
  • 1.21.1-2.0.4-fabric26 Mar 20251.21.10.4 MB295 downloads1d995bda8e23…Get
  • 1.21.1-2.0.3-neoforge19 Feb 20251.21.10.4 MB330 downloadse4cae5c4009b…Get
  • 1.21.1-2.0.3-fabric19 Feb 20251.21.10.4 MB355 downloads6e0d31e3f012…Get
  • 1.20.1-1.0.1-fabric13 Feb 20251.20.10.5 MB2.3k downloadsde42a6d13087…Get
  • 1.20.1-1.0.0-fabric9 Feb 20251.20.10.5 MB198 downloadsc85bdd81e784…Get
  • 1.21.1-2.0.1-neoforge31 Dec 20241.21.10.4 MB326 downloads16960691bf65…Get
  • 1.21.1-2.0.1-fabric31 Dec 20241.21.10.4 MB357 downloadse2e2230c126c…Get
  • 1.21.1-2.0.0-neoforge3 Dec 20241.21.10.4 MB173 downloadsf5c4c31117b7…Get
  • 1.21.1-2.0.0-fabric3 Dec 20241.21.10.1 MB246 downloads30f3e3ac67d4…Get
  • 1.21.1-1.1.4-neoforge18 Nov 20241.21.10.4 MB84 downloads4f4a3fcb1957…Get
  • 1.21.1-1.1.1-fabric12 Nov 20241.21.10.7 MB314 downloads70d3e556416e…Get
  • 1.21.1-1.1.2-neoforge12 Nov 20241.21.10.4 MB103 downloads5e2b3472c5d1…Get
  • 1.21.1-1.1.1-neoforge11 Nov 20241.21.10.4 MB92 downloadsec7254264671…Get
  • 1.21.1-1.1.0-fabric10 Nov 20241.21.10.7 MB109 downloads4bd8a6e448cf…Get
  • 1.21.1-1.1.0-neoforge10 Nov 20241.21.10.4 MB62 downloads4db139d7892b…Get

Frequently asked

Does Cumulus work on Minecraft 1.21.1?

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

Everything the author has declared, from 1.19.2 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Cumulus on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Cumulus support?

NeoForge, Forge, Fabric. 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 Cumulus?

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 Cumulus 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 Cumulus?

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 Cumulus 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.

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.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

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? .