Clientside QoL

Name: Clientside QoL
Price: 8 EUR
Author: Hamb_y

A fully client-side yet extensive quality-of-life modpack featuring client-side inventory sorting, map and minimap, saturation bar, vanilla+ resource packs, performance tweaks, shader packs, and much more!

by Hamb_y

113 Downloads

0 Followers

fabricMC 1.21.11lightweightoptimization

Rent Clientside QoL Server

Screenshots

About this Modpack

What this is

This is a fully client-side modpack that gives you:

Performance
Ready-to-Play with tweaking and configuring
Fully client-side inventory sorting, and client-side inventory tweaks (through MouseWheelie and others)
"Fair-play" freecram (tl;dr does not allow you to phase through blocks)
Minimap and fullscreen map using JourneyMap
Waypoints using JourneyMap
Configured resource packs
Preloaded Shaders
and much more!

Credits and Attributions and Notes

Based on the Simply Optimized modpack by hzsa here

Currently still tweaking and things may change or break. You can contact me on discord at @hamb_y if you have bug reports and feature requests.

Available Versions

Clientside QoL 1.21.11-brelease

MC 1.21.11fabric95 downloads

February 7, 2026

Clientside QoL 1.21.11-arelease

MC 1.21.11fabric18 downloads

February 7, 2026

How to Set Up a Clientside QoL Server

Order Server

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

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Clientside QoL" and click "Install". The fabric loader and Minecraft 1.21.11 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

Clientside QoL 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 Clientside QoL 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 Clientside QoL without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). 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.

Clientside QoL 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.