Osmium

Osmium adds quality of life features to mincraft, much like popular PvP clients. For fabric 1.17 and above.

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About this Mod

Osmium

Basics

Osmium is a quality of life mod for fabric 1.17 and above that adds features similar to PvP clients like Badlion Client and Lunar Client.

Features

Features include

ToggleSprint
ToggleSneak
Fullbright
No rain
Fps display
Low fire
NoHurtBob
Custom cape rendering
Block outline
Fly boost
Disable nether particles
Disable firework particles

Available Versions

Osmium 1.4.2.1 for Minecraft 1.21release

MC 1.21fabric

June 17, 2024

Osmium 1.4.2 for Minecraft 1.20.6release

MC 1.20.6fabric

May 25, 2024

Osmium 1.4.1.2 for Minecraft 1.20.4 Latestrelease

MC 1.20.4fabric

December 26, 2023

Osmium 1.4.1.2 for Minecraft 1.20.2release

MC 1.20.2fabric

September 24, 2023

Osmium 1.4.1.1 for Minecraft 1.20.1release

MC 1.20, 1.20.1fabric

July 8, 2023

How to Install Osmium on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21).

Install Mod

Open the mod browser in the dashboard and search for "Osmium". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21, 1.20.6, 1.20.4 (+11 more)

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Osmium server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21). You can switch loaders with one click in the panel.

Is Osmium compatible with fabric?

Osmium officially supports fabric for Minecraft 1.21, 1.20.6, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Osmium – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Osmium consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.