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Rhenium project artwork

CurseForge · Minecraft mod

Rhenium

This is a memory optimization mod

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Rhenium release should I use?

Updated 3 months ago
Latest stable file rhenium-1.1.jar
Game version 1.21.2-Snapshot, 1.21, 1.21.6-snapshot
Loader Fabric

rhenium-1.1.jar targets 1.21.2-Snapshot, 1.21, 1.21.6-snapshot 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 Rhenium required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does rhenium-1.1.jar need?

rhenium-1.1.jar. Change the file and its required mods may change too.

No extra mods listed for this file

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 Rhenium without breaking your instance.

Built for rhenium-1.1.jar. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use rhenium-1.1.jar. It targets 1.21.2-Snapshot, 1.21, 1.21.6-snapshot with Fabric; another release may have different loader, side or dependency requirements.

  2. 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.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside rhenium-1.1.jar. It opens that exact file at the source.

About this project

What does Rhenium add?

This is a memory optimization mod.

It limits and evicts the structure template cache to reduce unnecessary memory usage during normal gameplay and lower long-term runtime pressure.
In testing, it reduced memory usage by around 20%.
This optimization does not break structure integrity or structure generation, so it is safe to add to your modpack/server.
The default cache limit in the config is 128.
Lower values reduce memory overhead further, but if set too low, they may introduce extra CPU load.

Project description from CurseForge.

Pick your setup

Rhenium by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

66 available setups

Showing the newest 12 of 42 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

Rhenium versions and loaders

6 of 6 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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