Ultralight

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Ultralight

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1.21.6-1.21.11 | Only what you need for performance.

No Theme
Vanilla+
QoL & Tweaks
Performance & Optimization
Mod Loaders
Fabric
Minecraft
26.2
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Available Platforms

Modrinth logo Modrinth

Compatibility

Supported Environments

Dev Environment
Client Required
Server Unsupported

About

Project Details

Type
Modpack
Pack Size
Small / Light 34 mods
License
MIT License
Latest Version
26.2_2.2_A
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About

Description

ultralightbanner

Performance Comparison

Metric Vanilla Ultralight Improvement
Min Frametime 6 ms 4 ms ~1.5× better
Max Frametime 107 ms 54 ms ~1.98× better
Avg FPS 134 277 ~2.07× higher

Tested under simulated gameplay at 16 render distance.

Ultralight is best used on client.

If you're looking to improve your server's performance, try out Lilypad!

Want to play Minecraft with a new little spin? Try Wildflower!

Updating the Modpack & Tags

Before a new Ultralight update gets uploaded, it undergoes simulated gameplay testing to assess performance under normal conditions. If the update meets our internal performance targets, it will be released with an “A” in the version name. If it fails to meet those targets, it will be released with an “F” in the version name.

Tags

  • A — Stable and user-ready; no major issues.
  • B — Acceptable but below optimal performance targets (FPS and/or frametime slightly off).
  • F — Performance issues; FPS and/or frametime significantly below target.

OS Compatibility

OS Compatible
Windows ✅
MacOS (ARM) ✅

Tested on Apple M1. Measurements taken on Windows.

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  • Ultralight banner image
    Ultralight banner image

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