
Modrinth · Minecraft mod
Border Expansion
A datapack that slowly expands the World Border whenever players are online, then pauses its expansion when players leave
Quick answer
Which Border Expansion release matches 26.2 datapack?
Border Expansion 1.0.4 targets 1.21.11, 26.1, 26.1.1 with datapack. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Border Expansion required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Border Expansion 1.0.4 need?
1.0.4 on 26.2 datapack. 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 Border Expansion without breaking your instance.
Built for Border Expansion 1.0.4 on 26.2 datapack. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.4. It targets 1.21.11, 26.1, 26.1.1 with datapack; 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
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.4. It opens that exact file at the source.
About this project
What does Border Expansion add?
A datapack which wlowly expands the World Border whenever players are online, then pauses its expansion when players leave.
Currently, the border is set to 128x128 blocks when the datapack first loads. It then expands depending on the number of players online:
- 0 players online: no expansion
- 1 player: no expansion
- 2 players: expands by 0.000111 blocks / tick = 8 blocks / hour
- 3+ players: expands by 0.000222 blocks/tick = 16 blocks / hour
Project description from Modrinth.
Pick your setup
Border Expansion by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
3 loader builds26.1.2
3 loader builds26.1.1
3 loader builds26.1
3 loader builds1.21.11
3 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Border Expansion versions and loaders
1.0.4
borderexpansion.zip
25 Oct 2026
Looking for an older file? The official Modrinth project page is in Resources.