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shader and optimize Build for Minecraft 1.20.1, 1.21.1

if you want use shader for high fps, you should use this modpack.

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Updated
Updated 18.10.2026

About the shader and optimize modpack

This modpack provides an easy way to install shaders and optimization mods without setting everything up manually. this modpack is made for all players. this modpack includes many beautiful or performance-friendly shaders.

shader and optimize — screenshot 2

loaders and versions

  • fabric 1.16.5 1.20.1
  • neoforge 1.21.1
shader and optimize — screenshot 3

How to install shader and optimize

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the modpack for Minecraft 1.16.5–1.21.1 on Fabric or NeoForge automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Download the modpack archive

    In the version list above, pick the file shaders and optimize nf 1.3.0.mrpack (83 KB).

  2. Import it into a launcher

    A launcher that supports modpacks (Millida Launcher, Prism) takes the archive via “Add modpack”, then “From file”. No need to unpack it yourself.

  3. Allocate memory

    Modpacks need more memory than the plain game: set 4–6 GB in the profile settings.

Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.20.1Fabric1.20.145.6 KB 2
1.20.1Fabric1.20.136.2 KB
1.20.1Fabric1.20.118.7 MB 2
1.21.1NeoForge1.21.182.5 KB 1
1.20.1Fabric1.20.118.7 MB
1.21.1NeoForge1.21.178.6 KB
1.20.1Fabric1.20.118.7 MB
1.21.1NeoForge1.21.157.3 KB

What it needs to run

FAQ

Which Minecraft versions does shader and optimize work on?

There are files for 1.21.1, 1.20.1, 1.16.5. The newest is 1.21.1.

Is shader and optimize for Forge or Fabric?

There are files for Fabric: 1.16.5–1.20.1 and for NeoForge: 1.21.1.

Which mods are in the shader and optimize modpack?

Mods in the modpack include YetAnotherConfigLib (YACL), Ksyxis, Modern UI, [EMF] Entity Model Features, More Culling, ImmediatelyFast, Sodium, Forgified Fabric API and 61 more.

Which Java does shader and optimize need?

Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.

Where can I download shader and optimize safely?

On this page: the file shaders and optimize nf 1.3.0.mrpack (83 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 260eb2b7851f597bbfac6e82683cfabcbd24248c.

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