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Leiv's Network Lib

Leiv's Network Lib is a lightweight, ultra-performant networking library that acts as a mandatory backbone to sync server settings and data seamlessly across all of Leiv's Minecraft mods without causing lag.
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Leiv's Network Lib_Fabric_1.21.1 (v.5.0.0)

File nameLeiv's Network Lib_Fabric_1.21.1 (v.5.0.0).jar
Uploader
Leiv436Leiv436
Uploaded
Oct 24, 2026
Downloads
6
Size
18.8 KB
Mod Loaders
Fabric
File ID
9309581
Type
B
Beta
Supported game versions
  • 1.21.1

Curse Maven Snippet

Fabric

modImplementation "curse.maven:leivs-network-lib-1652876:9309581"

Learn more about Curse Maven

What's new

🔧 Update: Leiv's Network Lib v5.0.0 (Fabric 1.21.1)

Welcome to Leiv's Network Lib 5.0.0 for Fabric 1.21.1! This major release brings full structural readiness for upcoming mod updates, delivering ultra-lightweight and performant networking for Fabric setups.

✨ Key Features & Fixes

🚀 Next-Gen Network Foundation: Complete backend refactoring to power all future releases and upcoming mods in Leiv's ecosystem.

🏆 Lightweight Fabric Integration: Designed specifically to leverage Fabric Networking API (v1) for ultra-fast, lag-free client-server packet transfer.

⚡ Real-Time Config & Flag Sync: LeivSyncServer instantly broadcasts rule changes and feature flags directly to connected clients.

🛡️ Async LeivSyncState: Processes complex server synchronization tasks off the main thread, maintaining maximum FPS.

🛠️ Technical Highlights

🧹 Payload Optimization: Tailored CustomPayload serialization specifically for Fabric's modern networking pipeline.

⚡ Fabric API 1.21.1 Hooks: Cleaned up channel registration to ensure total compatibility with current and future Fabric versions.

🔗 Dependencies To run Leiv's Network Lib 5.0.0, please ensure the following libraries are installed:

Requires: Fabric Loader & Fabric API (1.21.1)

💬 Community & Support Got questions, feedback, or need to report a bug? Join the community!

👥 Discord: Join Leiv's Community

🐛 Issue Tracker: Report bugs directly via the official Discord ticket system!

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