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The AetherMinecraft mod for 1.21.1

The Aether Team presents the original Aether mod! Maintained and kept up to date for modern versions of Minecraft and fully compatible with multiplayer!

client and servernewest supported 1.21.1UtilityAdventureMobsEquipment
Latest version
1.21.1-1.5.11-fabric
Minecraft
b1.7.3 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
LicenseRef-Custom
Downloads
7.3M
Updated
11 mo ago
Available on
Modrinth
Space NodePartner

Host The Aether servers

One click and The Aether 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

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version The Aether 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
1.20.2NeoForge, Forge, Fabric17+declared20 Sept 2023
1.20.1NeoForge, Forge, Fabric17+declared12 Jun 2023
1.19.4Forge, Fabric, NeoForge17+declared14 Mar 2023
1.19.2Forge, Fabric, NeoForge17+declared5 Aug 2022
1.12.2NeoForge, Forge, Fabric8+declared18 Sept 2017
1.7.10Fabric, NeoForge, Forge8+declared14 May 2014
1.2.5Forge, NeoForge, Fabric8+declared29 Mar 2012
1.0Forge, NeoForge, Fabric8+declared17 Nov 2011
b1.7.3Forge, NeoForge, Fabric8+declared7 Jul 2011

Download

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

All 30 releases
1.21.1-1.5.11-fabricrelease3 Oct 2025

aether-1.21.1-1.5.11-fabric.jar · 39.0 MB · for 1.21.1

Download latest
de78675eb271…
Older versions24
  • 1.21.1-1.5.10-fabric28 Sept 20251.21.139.0 MB6878283353aa…Get
  • 1.21.1-1.5.10-neoforge28 Sept 20251.21.138.4 MB4b004daed6d0…Get
  • 1.21.1-1.5.9-neoforge16 Aug 20251.21.138.1 MBd39ad88698b7…Get
  • 1.21.1-1.5.9-fabric16 Aug 20251.21.138.8 MB09b116aca7fd…Get
  • 1.20.1-1.5.2-beta.9-fabric22 Jul 20251.20.149.0 MB8cc896d25ed7…Get
  • 1.21.1-1.5.8-fabric6 Apr 20251.21.138.8 MB44ef2aafe51b…Get
  • 1.20.1-1.5.2-beta.8-fabric6 Apr 20251.20.149.0 MB5727b8b00059…Get
  • 1.21.1-1.5.8-neoforge6 Apr 20251.21.138.1 MB3343a8d87f49…Get
  • 1.21.1-1.5.7-neoforge26 Mar 20251.21.138.1 MBcbec361adb84…Get
  • 1.21.1-1.5.7-fabric26 Mar 20251.21.138.8 MBef85413a4c81…Get
  • 1.12.2-v1.5.4.117 Mar 20251.12.214.1 MB7ed32d92b095…Get
  • 1.20.1-1.5.2-beta.7-fabric15 Mar 20251.20.149.0 MBc41434476a7d…Get
  • 1.21.1-1.5.6-neoforge13 Mar 20251.21.138.0 MBc8b080691232…Get
  • 1.20.1-1.5.2-beta.6-fabric13 Mar 20251.20.149.0 MBba887ffe6302…Get
  • 1.21.1-1.5.6-fabric13 Mar 20251.21.138.6 MB641ed25bd813…Get
  • 1.21.1-1.5.5-fabric19 Feb 20251.21.138.6 MBf9d966f926ee…Get
  • 1.21.1-1.5.5-neoforge19 Feb 20251.21.138.0 MB08eaf666734e…Get
  • 1.20.1-1.5.2-beta.5-fabric18 Feb 20251.20.149.0 MB8bd692f476e8…Get
  • 1.20.1-1.5.2-beta.4-fabric13 Feb 20251.20.149.0 MB221e6e655ebe…Get
  • 1.20.1-1.5.2-beta.3-fabric13 Feb 20251.20.149.0 MB479824ee8477…Get
  • 1.20.1-1.5.2-beta.2-fabric9 Feb 20251.20.148.4 MBfc8350ba05d9…Get
  • 1.20.1-1.5.2-beta.1-fabric8 Feb 20251.20.148.4 MB6cb82097d142…Get
  • 1.21.1-1.5.4-neoforge8 Feb 20251.21.138.0 MBd00f66cfd684…Get
  • 1.21.1-1.5.4-fabric8 Feb 20251.21.138.6 MB13058bed503e…Get

Frequently asked

Does The Aether work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version The Aether 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 The Aether support?

Everything the author has declared, from b1.7.3 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 The Aether 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 loader does The Aether need?

NeoForge, Forge, Fabric. 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 The Aether?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is The Aether under?

LicenseRef-Custom, 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 The Aether?

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 The Aether safely?

From the author's own page on Modrinth, 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.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? .