
QuantuMiz EX
Your Vanilla-friendly optimization modpack, now with extra features!
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
How to Set Up a QuantuMiz EX Server
Order Server
Choose at least 4 GB RAM (6 GB recommended for QuantuMiz EX). Based on player count: per 8 players.
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.
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.
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Supported Versions
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