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Nuit Interop (formerly FabricSkyBoxes Interop) logo

Nuit Interop (formerly FabricSkyBoxes Interop)

Mod

by FlashyReese

Nuit Interoperability for OptiFine/MCPatcher and legacy FabricSkyBoxes sky formats

Type

Mod

CurseForge Downloads

6,791,734

CurseForge ID

697845

Modrinth Downloads

9,585,844

Modrinth ID

HpdHOPOp

Last Updated

Sep 5, 2026

Description

# Nuit Interop _Formerly known as **FabricSkyBoxes Interop**_ **Nuit Interop** provides compatibility for **OptiFine/MCPatcher custom skies**, allowing them to work seamlessly with [Nuit](https://modrinth.com/mod/nuit) — the modern, multiloader successor to FabricSkyBoxes. This mod enables out-of-the-box support for existing OptiFine resource packs and will soon also offer **backward compatibility with legacy FabricSkyBoxes packs**. --- ## ✨ Features - 🔁 **OptiFine/MCPatcher Conversion** Automatically translates custom skies from OptiFine or MCPatcher resource packs to Nuit’s format at runtime. - 🧠 **Smart Fallback** Will not convert if a native Nuit/FabricSkyBoxes-format skybox is detected in the resource pack. - ⚙️ **Flexible Control** Lets users disable loading native Nuit-format skyboxes in favor of converted ones, for testing or override purposes. - 🏛️ **Legacy FSB Support (Upcoming)** Planned support for loading **FabricSkyBoxes**-formatted packs, helping users migrate gradually. --- 📘 Learn more about the core mod here: 🔗 [Nuit on Modrinth](https://modrinth.com/mod/nuit) ##### ⚠️ Disclaimer Conversions are **best-effort** and may not be pixel-perfect due to fundamental differences between how OptiFine and Nuit handle sky rendering. --- ## 💙 Support the Project If you find this project useful, consider supporting development: [![Support me on Ko-fi](https://i.imgur.com/FSNi7zk.png)](https://ko-fi.com/flashyreese)

Compatibility

Mod Loaders

Fabric Neoforge Quilt

Game Versions

1.16.5 1.17.1 1.18.2 1.19.2 1.19.3 1.19.4 1.20 1.20.1 1.20.2 1.20.3 +6 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

LEGO Minecraft Set

LEGO Minecraft Set

Official sets that translate the building side of the game off-screen.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

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Included in Modpacks (73)

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External Resources

CurseForge Modrinth Source Code Issues