
Nebula Client
Nebula Client – The Ultimate Fabric Client (Minecraft 1.21.4) Nebula Client is a lightweight yet powerful Fabric client modpack designed for maximum performance!
About this Modpack
Nebula Client – The Ultimate Fabric Client (Minecraft 1.21.4)
Looking for the perfect Fabric client modpack that enhances Minecraft 1.21.4 with optimization, shaders, and quality-of-life improvements? Swift Client is designed to give you the fastest performance, smoothest gameplay, and best visuals without compromising vanilla compatibility. Whether you want a lag-free experience or stunning shaders, this modpack has you covered!
🌟 Why Nebula Client?
✔ Blazing Fast Performance – Sodium, Lithium, Entity Cullin and much more ensure your game runs smoother than ever.
✔ Beautiful Graphics – Full support for Iris Shaders, so you can use BSL, Complementary, SEUS, and more.
✔ Lightweight & Server-Friendly – Purely client-side, meaning you can use it on most multiplayer servers. (⚠ Check server rules first!)
✔ Enhanced Gameplay – Mods like Xaero's Worldmap, Zoomify, and Entity Culling improve your experience without breaking balance.
✔ Modern UI & HUD Improvements – BetterF3, ModMenu, and REI provide better in-game information and customization.
🔧 Performance Mods
Sodium – The best rendering engine for Fabric.
Lithium – Optimizes game physics and AI for better efficiency.
Entity Culling – Removes unnecessary entity rendering outside of view.
🎨 Visual & Shader Support
Iris Shaders – Full support for all modern shader packs.
Bobby – Increases renderdistance on servers.
🛠️ Utility & Convenience Mods
ModMenu – A clean and easy-to-use mod management interface.
Zoomify – A lightweight OptiFine-style zoom feature.
BetterF3 – A customizable alternative to Minecraft’s F3 debug screen.
⚠ Server Compatibility Disclaimer
While Nebula Client is a client-side modpack, not all servers allow mods like zoom functions, minimaps, or performance enhancers. Always review the server’s rules and use this modpack at your own risk.
🔽 How to Install
Download and install Fabric Loader (1.21.4).
Download or install Nebula Client directly from the Modrinth App.
Install your favorite shader packs (optional).
Launch the game and enjoy the ultimate Minecraft experience!
💬 Feedback & Suggestions
Have suggestions for additional mods? Found a bug? Let us know in the comments!
Available Versions
How to Set Up a Nebula Client Server
Order Server
Choose at least 4 GB RAM (6 GB recommended for Nebula Client). Based on player count: per 8 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "Nebula Client" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
Nebula Client server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.
How much RAM does a Nebula Client server really need?
Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).
Can I add custom mods to Nebula Client without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.
Nebula Client server lagging – performance tips
1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.
Rent Nebula Client Server
Start your own server with automatic modpack installation.
Supported Versions
Start your Nebula Client Server now
From €8.00/month with 6 GB RAM for the best performance.
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