How do I install Dimension Update Fixer?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on CurseForge — not every file is mirrored on our own servers.

What Minecraft version does Dimension Update Fixer work with?

The listing gives Minecraft 1.16.3, 1.16.4, 1.16.5. This is the version stated by the author or source site, not something we verified ourselves.

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Dimension Update Fixer

Java mod listed for Minecraft 1.16. Downloads from the MC Java Mods app on Android.

by Kneelawk · on CurseForge

Unyeets the Nether and End when a world is loaded without a dimension or is upgraded between Minecraft versions with dimension mods installed

⬇ Download on CurseForge

The author built this one for Minecraft 1.16.3–1.16.5 on Fabric. On other versions it may install and then do nothing.

Open in MC Java Mods Get it on Google Play →

Dimension Update Fixer

A simple mod that unyeets the Nether and End when a world is loaded without a dimension or is upgraded between Minecraft versions with dimension mods installed.

This mod does now fix the issue where removing a dimension from a world deletes all other dimensions.

Jank

The way this mod fixes the dimension-removal issue is by mixing in and overriding the decode method in UnboundedMapCodec. This is somewhat of a janky fix and may break other mods that expect a certain load order for DFU classes or that also attempt to fix the dimension-removal issue in the same way.

Known to Work With

This mod is known to work with:

Heart of the Machine (Github) (Modrinth) (CurseForge)
Applied Energistics 2 (Github) (CurseForge) (Fabric Build)
Likely others.

Thanks to

alcatrazEscapee for providing the dimension-removal fix in the first place.
Kneelawk for packaging the fix into a mixin-based fabric mod.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.16.3, 1.16.4, 1.16.5
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Ships as dimension-update-fixer-1.16.3-1.0.0.jar — drop this file into the mods folder
Download size: 18 KB
Download link checked 14 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

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All Mods for Java All Minecraft Java mods Java mods for 1.16