QuantuMiz EX

QuantuMiz EX

Your Vanilla-friendly optimization modpack, now with extra features!

by RoonMoonlight
2.1K Downloads
0 Followers
fabricMC 1.21.4lightweightoptimization

About this Modpack

Discontinuation Notice

QuantuMiz EX is now part of QuantuMiz, and most QuantuMiz EX improvement has been merged to main QuantuMiz modpack. Please consider migrating to QuantuMiz instead.

QuantuMiz EX is now officially discontinued, no updates will be made further. Thank you to everyone for your support.

QuantuMiz EX

Your Vanilla-friendly optimization modpack, now with extra features!

Download · Issue Tracker · Source Code


QuantuMiz EX is the third deriative of QuantuMiz project aiming to improve Vanilla minecraft with Quality-of-Life feature improvements and fixes, as well as optimizations.

Changelog

See here.

Features

  • Focused on optimizing the game and improving the Vanilla Minecraft experiences by overhauling UI/Features!
  • Optimization powered by QuantuMiz, which includes several optimization mods with the power of open-source.
  • Controller + Steam Deck support! Now you can enjoy the QuantuMiz experience inside your Steam Deck at any time.
  • Public LAN server support! Now you can open your singleplayer server to everyone.
  • Voice chat on supported servers, powered by Plasmo Voice! (If you are server owner, follow this guide to set up the voice chat on your server)
  • Several UI/Feature overhauls and improvements, and much more!
  • 100% community-made, free and open-source! All mod's source code are available on their respective GitHub page.

List of mods

List of mods can be found here.

Using this modpack on your livestream/contents

You are free to use this modpack on livestream and contents as this modpack is MIT License! But I would be grateful if you leave a link to this modpack.

Thank you for supporting this modpack project!

Available Versions

3.1.4 for MC 1.21.1release
MC 1.21.1fabric72 downloads
November 27, 2024
3.1.3 for MC 1.21.1release
MC 1.21.1fabric62 downloads
October 27, 2024
3.1.2 for MC 1.21.1release
MC 1.21.1fabric56 downloads
October 2, 2024
3.1.1b for MC 1.21.1release
MC 1.21.1fabric71 downloads
September 21, 2024
3.1.1 for MC 1.21.1release
MC 1.21.1fabric68 downloads
September 18, 2024

How to Set Up a QuantuMiz EX Server

1

Order Server

Choose at least 4 GB RAM (6 GB recommended for QuantuMiz EX). Based on player count: per 8 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "QuantuMiz EX" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

QuantuMiz EX server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a QuantuMiz EX server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to QuantuMiz EX without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

QuantuMiz EX server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent QuantuMiz EX Server

Start your own server with automatic modpack installation.

Recommended RAM:
6 GB(min. 4 GB)
From 8.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
MIT License
Server-side
Optional
Client-side
Required

Supported Versions

1.21.41.21.31.21.11.211.20.61.20.5

Start your QuantuMiz EX Server now

From €8.00/month with 6 GB RAM for the best performance.

Configure Server →