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Resources / Shaders / Luster Shaders

Luster Shaders

A high-quality, realistic shaderpack with macbooks in mind

ShadersFree1.21 – 26.x
by FourthEcho · listed from Modrinth
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Direct download from Modrinth · 20,498 downloads

Luster Shaders screenshot 1Luster Shaders screenshot 2Luster Shaders screenshot 3

What it does

Luster Shaders is a shader pack made by FourthEcho. A high-quality, realistic shaderpack with macbooks in mind.

It supports Minecraft 1.21 – 26.x. It has been downloaded 20,498 times on Modrinth. The last update came out on Oct 28, 2026.

Supported versions

26.x1.21

Release history

Luster Shaders has had 4 releases on Modrinth since Oct 20, 2026. 4 of them came out in the past year. The newest is v5.0c, released on Oct 27, 2026. It is made for Minecraft 1.21.11 – 26.3. It runs on Iris. The download is 4.8 MB.

VersionReleasedMinecraftType
v5.0cOct 27, 20261.21.11 – 26.3Release
v5.0bOct 23, 20261.21.11 – 26.3Release
v5.0aOct 21, 20261.21.11 – 26.3Release
v5.0Oct 20, 20261.21.11 – 26.3Release
Description from the author on Modrinth

A realistic shader with Apple Silicon in mind - Work in Progress

Community

  • Join my Discord server for questions, suggestions, development updates, and Luster discussion
  • You can also support the project if you'd like to say thanks

Frequently asked questions

  1. "When will Luster be released for new Minecraft version?"
  • Shader packs are generally not very dependent on Minecraft versions; as long as Iris is available for that version, Luster should generally work.
  1. "What shader loader does Luster support?"
  • Luster is designed for Iris. OptiFine is not supported.

Features

  • Fully revamped sky, weather, water, and lighting
  • Detailed clouds with multiple different types and layers
  • Immersive weather providing different skies each day
  • Screen-space path tracing
  • Soft shadows with variable-size penumbras
  • Detailed ambient occlusion (GTAO)
  • Full labPBR material support
  • screen-space reflections
  • Volumetric fog
  • Improved image quality TAA, FXAA, and CAS
  • Advanced temporal upscaling with TAAU
  • ACES tonemapping
  • Camera effects: bloom, depth of field, motion blur, lens flare, vignette
  • Advanced Global and Local exposure
  • Low, Medium, High, Ultra profiles

Compatibility

Shader loaders

GPU vendors

  • Nvidia
  • AMD
  • Intel
  • Apple Silicon

Mods

Written by FourthEcho. Read it with pictures on Modrinth.

How to install Luster Shaders

  1. Install Iris (with Sodium) or OptiFine for your Minecraft version: shaders need one of them.

  2. Download the .zip file from Modrinth. Do not unzip it.

  3. In Minecraft, open Options, then Video Settings, then Shader Packs, and click Open Shader Pack Folder.

  4. Drop the .zip file into that folder, pick Luster Shaders in the list and click Done.

  5. Shaders are heavy on the graphics card. If the game gets slow, pick a lower profile in the shader settings.

Compatibility

Minecraft versions
26.x, 1.21
Edition
Java
Needs
Nothing else
License
Free to use
Price
Free
Upkeep
Actively updated (Nov 10, 2026)

Luster Shaders compared with similar ones Compare all alternatives

ResourceDownloadsVersionsLast updatePrice
Luster Shadersthe one you looked at20K1.21 – 26.x14 days agoFree
Kappa ShaderRRe363.4M1.16 – 1.21Feb 28, 2025Free
FastPBRRRe362M1.18 – 1.21Feb 28, 2025Free
Alpha PisciumLuna5ama364K1.20 – 26.xSep 29, 2026Free

Questions

Does Luster Shaders work on Minecraft 26.x?

Yes. Luster Shaders supports Minecraft 26.x. All supported versions: 26.x, 1.21.

Is Luster Shaders free?

Yes. Luster Shaders is free to download from Modrinth.

Is Luster Shaders still updated?

Yes. The last update came out in the past day.

What are the best alternatives to Luster Shaders?

The closest ones are Kappa Shader, FastPBR and Alpha Piscium. Compare all alternatives

Alternatives to Luster Shaders

Compare all alternatives ›

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