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Bygone Nether / Eternal Nether FixesMinecraft mod for 1.21.1

Bygone Nether bugfixes and Eternal Nether features backport

server onlynewest supported 1.21.1Utility
Latest version
2.0.0
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Fabric, Quilt
Licence
MIT
Downloads
17.3k
Updated
2 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Bygone Nether / Eternal Nether Fixes servers

One click and Bygone Nether / Eternal Nether Fixes is installed with the right loader, on hardware built for it.

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

Minecraft versions

Every version Bygone Nether / Eternal Nether Fixes declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, Quilt21+declared8 Aug 2024
1.20.1Fabric, Quilt17+declared12 Jun 2023

Download

From Bygone Nether / Eternal Nether Fixes’s own host. Nothing is re-hosted here.

2.0.0release24 Jul 2026

bygone_nether_fixes-2.0.0.jar · 26 KB · for 1.21.1

Download latest
68657b58e605…
Older versions2
  • 1.1.021 Feb 20261.20.133 KB19.1k downloads29291aacc5ba…Get
  • 1.0.027 Jul 20251.20.112 KB923 downloads15940ee591df…Get

Frequently asked

Does Bygone Nether / Eternal Nether Fixes work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Bygone Nether / Eternal Nether Fixes 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 Bygone Nether / Eternal Nether Fixes support?

Everything the author has declared, from 1.20.1 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 Bygone Nether / Eternal Nether Fixes on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does Bygone Nether / Eternal Nether Fixes support?

Fabric, Quilt. 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 Bygone Nether / Eternal Nether Fixes?

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 Bygone Nether / Eternal Nether Fixes under?

MIT, 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 Bygone Nether / Eternal Nether Fixes?

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 Bygone Nether / Eternal Nether Fixes 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.

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Details from Modrinth, where the author last updated it on 24 Jul 2026. 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? .