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En-sityFunctions

by MikeStorm03

En-sityFunctions changes how the End dimension generates by editing its density functions and biome source, and it is a server-side mod that needs Fabric API.

FabricForgeNeoForgeQuiltServer-side onlyMozilla Public License 2.0Open source1.21 – 26.3

What it does

The mod repairs End terrain density functions that had broken down and removes the biome from the middle of the End. It also adds a biome source entry so the main End island gets its normal bonus. The author notes that the mod alone does not change anything in a world; a datapack is needed to make the changes take effect. Fabric API is required on every loader that uses it, and the mod runs on Fabric, Forge, NeoForge and Quilt for game versions 1.21 – 26.3.

Only the server needs the mod, so players join without installing it. Files are published for 17 release versions, with 1.1.0-26.3 as the latest build for 26.3, released on 2026-10-12. The code is open source under the Mozilla Public License 2.0.

Key features

  1. Repaired End density functions

    Some End density functions that had broken down are corrected, so End terrain generates as intended.

  2. Middle biome removal

    The biome in the middle of the End is removed, changing the layout of the dimension.

  3. Main End island bonus

    A biome source entry restores the normal bonus on the main End island.

Compatibility

Latest build for each game version and loader.

26.x5 of 5 versions with builds
26.31.1.0-26.3+fabric1.1.0-26.3+forge1.1.0-26.3+neoforge1.1.0-26.3+fabric
26.21.0.0-26.1+fabric1.0.0-26.1+forge1.0.1-1.21.11+neoforgeNot available
26.1.21.0.0-26.1+fabric1.0.0-26.1+forge1.0.1-1.21.11+neoforgeNot available
26.1.11.0.0-26.1+fabric1.0.0-26.1+forge1.0.1-1.21.11+neoforgeNot available
26.11.0.0-26.1+fabric1.0.0-26.1+forge1.0.1-1.21.11+neoforgeNot available
1.21.x12 of 12 versions with builds
1.21.111.0.0-1.21.11+fabric1.0.0-1.21.11+forge1.0.1-1.21.11+neoforge0.1.2+1.21.9-fabric
1.21.101.0.0-1.21.9+fabric1.0.0-1.21.9+forge1.0.0-1.21.9+neoforge1.0.0-1.21.9+fabric
1.21.91.0.0-1.21.9+fabric1.0.0-1.21.9+forge1.0.0-1.21.9+neoforge1.0.0-1.21.9+fabric
1.21.81.0.0-1.21.1+fabric1.0.0-1.21.6+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.71.0.0-1.21.1+fabric1.0.0-1.21.6+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.61.0.0-1.21.1+fabric1.0.0-1.21.6+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.51.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.41.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.31.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.21.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.21.11.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
1.211.0.0-1.21.1+fabric1.0.0-1.21.1+forge1.0.0-1.21.1+neoforge1.0.0-1.21.1+fabric
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Questions

Does En-sityFunctions need Fabric API?

Yes. Fabric API is listed as a required dependency, and the mod is published for Fabric, Forge, NeoForge and Quilt.

Do players need to install En-sityFunctions?

No. Only the server needs it, and players join without installing anything.

More from MikeStorm03

All projects
Rabbit Pathfinding Fixed (Unofficial Forge Port)1.20 – 1.21.11Dragon's Egg(S)1.20.5 – 1.21.11FarmlandDelightCompat1.21 – 1.21.11End-Less1.21 – 1.21.11MSG1.21.1 – 26.2Some Translation Fixes1.6.4

What the author says

The mod alone doesn't do anything and you need a datapack to make a change. Why is this existence? I need it for my server and I'm happily sharing this to anyone who need (or just me the only one who need this).
MikeStorm03, on the Modrinth page

Official listing

Owner
MikeStorm03
Published
2025-06-23
Updated on Modrinth
2026-10-12
Facts verified
2026-10-15
Open on ModrinthCompare