FastPBR

FastPBR

A fast and high-quality shaderpack with realistic visuals and PBR atmospherics.

1.4M downloads
Created Apr 9, 2026
by RRe36

About

What is the FastPBR Shader?

This is a fast shaderpack that still offers high-quality visuals and uses PBR atmospherics, hence its name.

PBR does not mean specular support, so do not confuse these terms despite this being a common misconception in the shaderpacks community.

Where can I download it?

Either here or via my website (link below).

What features does it offer?

  • Dynamic soft shadows
  • Optional screen-space indirect lighting using HBIL
  • Temporal Anti-Aliasing and Upscaling (TAAU)
  • Procedural realistic skybox including volumetric clouds
  • Volumetric fog
  • Various optional lens effects such as depth of field, lens flares and vignette
  • Compatibility with Distant Horizons since v2.0

Any Requirements?

  • Iris 1.6.0 or newer
  • OptiFine is NOT supported and will not be unless it catches up with Iris' more advanced featureset
  • A graphics card that supports OpenGL 4.3 or newer
  • Windows/Linux

External Links:

  • My Website: Link
  • My Discord Server: Link

Become a Patron

Versions

v2.0Latest
1.18.2, 1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4irisFeb 28, 2025

**By downloading you agree to the terms of use as detailed [here](https://rre36.com/copyright-license).** Changelog on: [Link](https://rre36.com/projects/fastpbr/fastpbr-v2-0-distant-horizons) * **Added support for Distant Horizons**

Download
v1.1
1.18.2, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1irisJun 13, 2023

**By downloading you agree to the terms of use as detailed [here](https://rre36.com/copyright-license).** **Changelog on:** [Link](https://rre36.com/shaderpack-release/fastpbr-v1-1-ushader-v2-1)

Download
v1.0
1.18.2, 1.19.2, 1.19.4irisApr 27, 2023

**By downloading you agree to the terms of use as detailed [here](https://rre36.com/copyright-license).**

Download

Download

Download v2.0

Minecraft: 1.18.2, 1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4

Loaders: iris

Tags

iris1.211.21.11.21.21.21.31.21.4