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JEngine

Ship game updates without shipping a build.

Runtime hot updates for all platforms — push code, assets, and logic without rebuilding.
Powered by HybridCLR with built-in encryption and obfuscation.
1,000+ games shipped · 100+ companies in production · built-in Claude Code AI integration.

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Documentation | 中文文档

 

Why JEngine

Ultralight Core

A handful of files — that's the entire core package. Drop it in and hot updates just work. No boilerplate code required.

10x+ Performance

HybridCLR runs standard C# natively — 10x+ faster than ILRuntime or Lua. UniTask for GC-free async, Nino for zero-allocation serialization.

Built-in 安全

Encrypt assets and DLLs with XOR, AES, or ChaCha20. Obfuscate hot update code with Obfuz. No other hot update framework ships this.

One-Click Build

Compile code, generate AOT metadata, obfuscate, encrypt, and package resources — all from one button in the JEngine Panel.

All Platforms

iOS, Android, Windows, macOS, WebGL — plus WeChat, Douyin, Alipay, and TapTap mini-game platforms. YooAsset powers games with 1M+ DAU.

AI-Powered Development

First hot update framework with a Claude Code plugin. AI that understands JEngine patterns and writes idiomatic code for your game.

 

Before & After

Traditional Approach With JEngine
Learn Lua or TypeScript for hot update code Standard C# — same language, same IDE, same debugging
Register cross-domain adapters (ILRuntime) Zero adapters — HybridCLR runs C# natively
No built-in asset protection XOR / AES / ChaCha20 encryption + code obfuscation
Manual multi-step build pipeline One-click build from JEngine Panel

 

Quick Start

Unity 2022.3+ required. 关注 the Getting Started Guide to be up and running in minutes.

 

Package Type Description
JEngine.Core Required Hot update runtime — bootstrap, encryption, resource management
JEngine.Util Optional JAction (zero-GC async tasks) · JObjectPool (lock-free object pooling)
JEngine.UI Optional MessageBox (async dialog prompts) · Editor UI (modern UI Toolkit components with theming)

Built on HybridCLR · YooAsset · UniTask · Nino · Obfuz

 

🎉 Latest Features (v1.1.6)

  • core,ui: add configurable Bootstrap text and JTabView component (#624)
  • core: bump Nino to fix Dictionary serialization in HybridCLR (#627)
  • core: auto-detect manifest decryption in PreprocessBuildCatalog (#626)

📋 View Complete Changelog

 

Community

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The solution that allows unity games to update in runtime. 使Unity开发的游戏支持热更新的解决方案。

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