A lightweight Iris shader focused on performance, vibrant visuals, and Intel UHD compatibility. ULS Shader is a Minecraft pack from Loki_Da_Dawg. It runs through Iris or OptiFine on Minecraft 26.2. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install ULS Shader

1. 1Install a shader loader for Minecraft 26.2 — Iris (pairs with Sodium) or OptiFine. ULS Shader is a shaderpack, so it needs a loader to run.
2. 2Download the ULS Shader .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select ULS Shader.

First time? How to install Minecraft shaders

Performance & what to expect

Loki_Da_Dawg gives ULS Shader no performance rating, so check your frame rate at your usual render distance.

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ULS Shader is created by Loki_Da_Dawg and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with Loki_Da_Dawg, Mojang Studios or Microsoft.