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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.5.1.0)

File nameLeiv's Network Lib_Fabric_1.21.1 (v.5.1.0).jar
Uploader
Leiv436Leiv436
Uploaded
Oct 24, 2026
Downloads
6
Size
18.8 KB
Mod Loaders
Fabric
File ID
9312463
Type
B
Beta
Supported game versions
  • 1.21.1

Curse Maven Snippet

Fabric

modImplementation "curse.maven:leivs-network-lib-1652876:9312463"

Learn more about Curse Maven

What's new

🔧 Hotfix: Leiv's Network Lib v5.1.0 (Fabric 1.21.1)

Welcome to Leiv's Network Lib 5.1.0 for Fabric 1.21.1! This hotfix update resolves critical bugs introduced in v5.0.0, providing full stability for Fabric users and dedicated server owners.

✨ Key Features & Fixes

🐛 v5.0.0 Bug Fixes: Resolved packet handling exceptions and desync issues introduced in the v5.0.0 architecture overhaul.

⚡ Fabric Networking Patch: Fixed payload encoding bugs on Fabric Networking API (v1) channels.

🔄 Instant Flag Mirroring: Restored reliable LeivSyncServer broadcasting for feature flags and dynamic settings.

🛡️ Thread Safety Fix: Corrected background thread lockups in LeivSyncState during intense multi-player events.

🛠️ Technical Highlights

🧹 Payload Channel Sanitization: Ensured all packet structures conform safely to Fabric 1.21.1 networking specs.

⚡ Resource Footprint Optimization: Reduced unnecessary allocation overhead on client-side packet receivers.

🔗 Dependencies To run Leiv's Network Lib 5.1.0, 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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