CurseForge · Minecraft mod
NetherEx
NetherEx is a nether content mod.
Quick answer
Which NetherEx release matches 26.1.2 Fabric?
NetherEx 1.2.4 - Fabric 26.1.2 targets 26.1.2 with Fabric. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. All 5 required mods have matching files.
Where it goes
Is NetherEx required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does NetherEx 1.2.4 - Fabric 26.1.2 need?
NetherEx 1.2.4 - Fabric 26.1.2 on 26.1.2 Fabric. Every mod below is checked against that same setup.
Install Resourceful Config, Fabric API, TerraBlender (Fabric), GeckoLib and 1 more first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add NetherEx without breaking your instance.
Built for NetherEx 1.2.4 - Fabric 26.1.2 on 26.1.2 Fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use NetherEx 1.2.4 - Fabric 26.1.2. It targets 26.1.2 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Resourceful Config, Fabric API, TerraBlender (Fabric), GeckoLib and 1 more first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside NetherEx 1.2.4 - Fabric 26.1.2. It opens that exact file at the source.
About this project
What does NetherEx add?

NetherEx is a mod designed to expand on and enhance the feel of the Nether. It adds new biomes that are filled with new blocks, items, and mobs. It also adds new content to the already exisiting Nether biomes.
If you have any questions or would like to discuss the mod, feel free to join the mod discord server here.
If you would like to support me, please visit my Ko-fi page here.
Click the banner below to get a server with BisectHosting! Use code 'Logic' to support me and get 25% off your first month. Don't see a banner? Then click this link:

Versions prior to 1.21.4 require a library mod called LibraryEx which can be found here. Previous versions of NetherEx are compatible with Biomes O' Plenty (1.12, 1.14, and 1.15), Oh The Biomes You'll Go (1.15), and Extended Nether Backport (1.15).
Fish2, Eleazzaar, Nazenn, Angelz/Demonly, Vlakk, AnarchCassius, LapisWhovian, misterslime, Vivi, Cameron, rye, SnakeBlock, hatsondogs, Endergy, Farcr, Adeline, SirBaconFace, Yapetto, enri, crispytwig, Nitpick/Olive, ZucchiniByDay, JadenXgamer, and Jamiscus.

Project description from CurseForge.
Pick your setup
NetherEx by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
2 loader builds1.21.4
2 loader builds1.21.1
2 loader builds1.15.2
1 loader build1.14.4
1 loader build1.12.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
NetherEx versions and loaders
NetherEx 1.2.4 - Fabric 26.1.2
NetherEx-fabric-26.1.2-1.2.4.jar
26 Jul 2026
Looking for an older file? The official CurseForge project page is in Resources.