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Nuit

Formerly known as FabricSkyBoxes, Nuit is a powerful and flexible custom skybox engine for Minecraft.
It goes far beyond OptiFine’s skybox system, offering rich features like keyframe-based transitions, rotation, custom weather rendering, and now full support for both Fabric and NeoForge!

Design immersive skies with dynamic day/night cycles, custom fog, sunrise/sunset glow, and more — all backed by a robust, extensible skybox format.

⚠️ Nuit is currently in beta. Some features may evolve over time. Feedback is welcome!

📘 View the Wiki and Format Documentation →
📘 View the Legacy Documentation →

🧪 Source Code on GitHub

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✨ Showcase

Hyper Realistic Sky by UsernameGeri

Awesome Skies by heyman

Kal's Grimdark Sky Pack by Kalam0n

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🔧 Features

• 🌍 Fabric and NeoForge support (multiloader architecture)
• 🔁 Keyframeable fade and rotation transitions
• 🌄 Custom sunrise, sunset, night, and weather rendering
• 🌫️ Fog customization per skybox
• 🎛️ Modular, JSON-based config system
• 📦 Optimized texture loading and runtime performance

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🌐 Skybox Format

Nuit uses a custom JSON-based format designed for flexibility and future-proofing.
You can create highly detailed and dynamic skyboxes with precise control over how and when they're rendered.

📚 Learn how to create your own: Wiki Format Documentation

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❓ Frequently Asked Questions

• Can I use OptiFine/MCPatcher skybox packs?
  Nuit does not support those formats natively. Use tools like MCPatcherPatcher++ or Nuit Interop to convert them.

• Is it modpack friendly?
  Yes! Nuit is licensed under MIT and fully modpack-compatible.

• What happened to FabricSkyBoxes?
  FabricSkyBoxes has been rebranded to Nuit to reflect its expanded scope beyond Fabric.

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💬 Community & Support

• 💡 Feature suggestions & issue tracker
• 🗨️ Join our Discord for help, discussion, and previews.

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Breathe new life into your Minecraft skies — with Nuit 🌌