Changelog

3.1 - February 5, 2025

<script src="https://cjrtnc.leaningtech.com/3.1/cj3loader.js"></script>

• Maximise window support
• Brand new “execCallback” option
• Restore audio support
• Various bug fixes
• Improved font behavior
• Improved debugging options
• Improved performance

3.0 - February 1, 2024

<script src="https://cjrtnc.leaningtech.com/3.0/cj3loader.js"></script>

• Support all Java opcodes in the JIT
• Better support for missing JNI symbols
• Improved support for socket syscalls
• Support for loading native libraries as JavaScript modules
• Support zero-copy passing of primitive arrays in library mode
• Restore support for image filtering
• Restore support for printing
• Optimized font handling
• Improved error message when server does not support content ranges

3.0rc2 - November 29, 2023

<script src="https://cjrtnc.leaningtech.com/3.0/cj3loader.js"></script>

• Reduced verbosity of debug messages
• Support for synchronised methods in the JIT
• Restored support for AWT to the same level as CheerpJ 2.3
• Improved reflection support
• Support for Web Workers (just use importScripts)
• Improved clipboard support
• Improved library mode with support object field access, arrays, instanceof, quality-of-life and debugging
• Improved support for fonts
• Improved support for class loaders
• Fixed preloading support
• Support for ClassCastException
• cheerpjAddStringFile deprecated, renamed to cheerpOSAddStringFile

3.0rc1 - October 18, 2023

<script src="https://cjrtnc.leaningtech.com/3.0rc1/cj3loader.js"></script>

• Completely new JIT-based architecture
  • Removed AOT compiler
• Full classloader support
• New scalable JNI architecture (cheerpjInit natives option)
• Library mode (cheerpjRunLibrary)
  • Removed cjCall and cjNew
• cheerpjInit is now asynchronous
• cheerpj-dom.jar removed
• cheerpjRunJarWithClasspath removed
• CheerpJWorker removed (3.0rc2 adds support for importScripts)
• com.leaningtech.handlers HTTP handler no longer needed. HTTP(S) requests just work

Previous versions

CheerpJ 3.0 was a major architectural rewrite of CheerpJ.

For previous versions, see the CheerpJ 2.x changelog.