It completely replaces the basic lighting with features like glowing sunrises, realistic water reflections, and natural, deep shadows. itz.anshkumar built it as a vanilla-like pack with colored lighting and reflections. It works with Iris or OptiFine on Minecraft 1.21.5 – 1.21.5. Licensed CC0-1.0, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Cozy Autumn

1. 1Install a shader loader for Minecraft 1.21.5 — Iris (pairs with Sodium) or OptiFine. Cozy Autumn is a shaderpack, so it needs a loader to run.
2. 2Download the Cozy Autumn .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 Cozy Autumn.

First time? How to install Minecraft shaders

Performance & what to expect

itz.anshkumar gives Cozy Autumn no performance rating, so check your frame rate at your usual render distance. It renders colored lighting and reflections.

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Cozy Autumn is created by itz.anshkumar and mirrored here under its CC0-1.0 licence. MineSpecs is an unofficial fan project and is not affiliated with itz.anshkumar, Mojang Studios or Microsoft.