CurseForge · Minecraft mod
EmptyNegativeY
Keep my old chunks below y0 empty
Quick answer
Which EmptyNegativeY release matches 1.19?
EmptyNegativeY-v1.0.1.jar targets 1.19.3, 1.20.2, 1.21 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is EmptyNegativeY required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does EmptyNegativeY-v1.0.1.jar need?
EmptyNegativeY-v1.0.1.jar on 1.19. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add EmptyNegativeY without breaking your instance.
Built for EmptyNegativeY-v1.0.1.jar on 1.19. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use EmptyNegativeY-v1.0.1.jar. It targets 1.19.3, 1.20.2, 1.21 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside EmptyNegativeY-v1.0.1.jar. It opens that exact file at the source.
About this project
What does EmptyNegativeY add?
Keep areas within negative y empty and keep those old y0 bedrocks. Don't destroy my perimeters!
Comparison with/without this mod when upgrading your old world to 1.18+:

WARNING There's no method to re-generated negative y terrains after upgrade your world to 1.18+ using this mod
Project description from CurseForge.
Pick your setup
EmptyNegativeY by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.6
1 loader build1.20.5
1 loader build1.20.4
1 loader build1.20.3
1 loader build1.20.2
1 loader build1.20.1
1 loader build1.20
1 loader build1.19.4
1 loader build1.19.3
1 loader build1.19.2
1 loader build1.19.1
1 loader buildShowing the newest 12 of 16 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
EmptyNegativeY versions and loaders
EmptyNegativeY-v1.0.1.jar
24 Jan 2022
Looking for an older file? The official CurseForge project page is in Resources.