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Deep AetherMinecraft mod for 1.21.1

An addon for the original Aether mod, aiming to show the deepest lands of a forgotten paradise.

newest supported release 1.21.1Mc AddonsWorld MobsWorld BiomesWorld Ores Resources
Latest version
deep_aether-1.21.1-1.1.5.1.jar
Minecraft
1.19.2 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
not stated
Downloads
24.4M
Updated
5 mo ago
Available on
CurseForge

Screenshots

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4Forge, NeoForge17+declared14 Mar 2023
1.19.2NeoForge, Forge17+declared5 Aug 2022

Download

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

Browse 36 indexed releases

Most recently published release

deep_aether-1.21.1-1.1.5.1.jarrelease29 Mar 2026

deep_aether-1.21.1-1.1.5.1.jar · 44.1 MB · for 1.21.1 · NeoForge

Download this release
2cffdb08d7cb…
Older versions24
  • deep_aether-1.21.1-1.1.5.jar29 Mar 20261.21.144.1 MB571dfb2efbfd…Get
  • deep_aether-1.21.1-1.1.4.jar2 Aug 20251.21.138.7 MB723 downloadsd850e07ebabe…Get
  • deep_aether-1.20.1-1.1.7.jar2 Aug 20251.20.138.6 MB3f0240c6ae68…Choose file on publisher ↗
  • deep_aether-1.20.1-1.1.6.1.jar18 May 20251.20.138.6 MB6.4k downloads9a0c54052f0d…Choose file on publisher ↗
  • deep_aether-1.21.1-1.1.3.jar9 May 20251.21.138.7 MB4.0k downloadsa7ec9b0120e0…Get
  • deep_aether-1.19.2-1.0.4.jar21 Mar 20251.19.28.2 MB221.3k downloadse41ca8787db4…Get
  • deep_aether-1.21.1-1.1.2.jar22 Feb 20251.21.138.7 MB215.6k downloadsabffc4cb233e…Get
  • deep_aether-1.20.1-1.1.5.jar22 Feb 20251.20.138.6 MB1.1M downloads0c6a6c0a99f7…Choose file on publisher ↗
  • deep_aether-1.20.1-1.1.4.jar14 Feb 20251.20.138.6 MB25.6k downloads4762368e37dc…Choose file on publisher ↗
  • deep_aether-1.20.1-1.1.3.jar4 Feb 20251.20.138.6 MB107.0k downloads5e737835f7e5…Choose file on publisher ↗
  • deep_aether-1.21.1-1.1.1.jar2 Feb 20251.21.138.7 MB53.0k downloads4c4debfc7ce9…Get
  • deep_aether-1.19.2-1.0.3.jar2 Feb 20251.19.28.1 MB87.6k downloadse6df9badd585…Get
  • deep_aether-1.20.1-1.1.2.jar1 Feb 20251.20.138.6 MB9.9k downloadse69082f07755…Choose file on publisher ↗
  • deep_aether-1.20.1-1.1.1.jar1 Feb 20251.20.138.6 MB881 downloadsde49462e9f55…Choose file on publisher ↗
  • deep_aether-1.21.1-1.1.0.jar31 Jan 20251.21.138.7 MB745 downloadsa163a55bf6e3…Get
  • deep_aether-1.20.1-1.1.0.jar31 Jan 20251.20.138.6 MB2.2k downloads95b35aca217f…Choose file on publisher ↗
  • deep_aether-1.21.1-1.1.0-beta.1.2.jar22 Dec 20241.21.133.2 MB64.4k downloads99f2b0f00c2d…Get
  • deep_aether-1.21.1-1.1.0-beta.1.1.jar21 Dec 20241.21.133.2 MB108 downloads0343b0ebbc8a…Get
  • deep_aether-1.21.1-1.1.0-beta.1.jar21 Dec 20241.21.133.2 MB56 downloadsfccf2b7281ee…Get
  • deep_aether-1.20.4-1.1-snapshot-3.jar25 Sept 20241.20.422.8 MB1.4k downloads4a4f36bd7a59…Get
  • deep_aether-1.20.1-1.0.4.jar18 Jun 20241.20.18.3 MB3.6M downloadscfb0a2bbbb1c…Choose file on publisher ↗
  • deep_aether-1.20.4-1.1-snapshot-2.jar15 Jun 20241.20.48.7 MB739 downloads2b891f5aaf94…Get
  • deep_aether-1.20.1-1.0.3.jar18 Apr 20241.20.18.4 MB1.1M downloadsaaf64a12f1a8…Choose file on publisher ↗
  • deep_aether-1.20.1-1.0.2.jar2 Feb 20241.20.18.4 MB1.2M downloads19737ecbb7cb…Choose file on publisher ↗

Frequently asked

Does Deep Aether work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Deep 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 Deep Aether 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.

Which platform or loader does Deep Aether support?

Forge, NeoForge. 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 Deep Aether?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Deep 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 Deep Aether safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available 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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Details from CurseForge, where the author last updated it on 15 Jun 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .