Changelog

Deprecation notice

CheerpJ 2 is deprecated. Consider migrating to CheerpJ 3 .

version 2.3 - April 29th, 2022:

* Improved legacy code generation
* Improved clipboard support
* Improved exceptions for I/O handling
* Add proper support to Synchronized methods
* Made async fetch the default for any file
* Minor fixes to AWT components

Version 2.2 - May 14th, 2021:

* Optimized exception handling
* Extended JNI support
* Improved file system emulation
* Improved HTTP networking support
* Improved AWT support
* Improved audio support
* Improved reflection support
* Improved applet parsing robustness
* Improved correctness of 32-bit floating point
* Improved correctness of class private methods

Version 2.1 - April 3rd, 2020

* Optimized exception handling
* Optimized reflection calls

* Improved AWT support
* Improved robustness of the AOT compiler
* Further improvements to native Java reflection support
* Improved JavaScript interaction robustness

Fixed support for —stub-natives in cheerpjfy.py
Code size improvements

Version 2.0 - February 4th, 2020

* Introduction of WebAssembly runtime modules
* Extended file system support to read, write and delete (IndexedDB backend)
* New read-only filesystem in /str/ for Strings or binary data
* Improved event handling, mouse interaction and focus
* Extend support for charsets
* Improved robustness to invalid classes often present in real-world JAR archives
* Improved isolation of CheerpJ symbols
* Improved support to multi-threading, in particular Thread.interrupt
* Use the CFGStackifier algorithm to synthesize control flow in generated code
* New API to receive preloading notification (allows one to build custom progress bars)
* Improved detection of Applets on HTML pages
* Improved packaging for MacOS

Version 1.4 - April 14th, 2019:

* Support Thread.interrupt
* Improved keycode conversion
* Improved AWT TextArea support
* Improved support for modal dialogs
* Fix support for non-ASCII Java fields
* Fix resolving of default methods from interfaces
* Minor fixes to reflection and code generation

Version 1.3 - November 28th, 2018:

* Significantly faster font rendering
* Full rework of keyboard event handling
* Support unicode output on the console
* Support applets in frames and iframes
* Support multiple applets on a single page
* Improved class loader correctness
* Improved XHR-based HTTP(S) handler
* Improved AWT rendering
* Improved reflection support
* Improved serialization support
* Improved threading correctness
* Improved focus support
* Improved mouse wheel support

Version 1.2 - Sep 6th, 2018:

* Support Copy / Paste to system clipboard
* Support ProGuard config generation
* Support window resizing
* Support sealed packages
* Optimized JNI calls
* Improved correctness of mouse events
* Improved reflection support
* Improved XHR-based HTTP(S) handler
* Improved threading cleanup

Version 1.1 - Jul 23rd, 2018:

* Introduced parallel preloading of resources that are known to be needed before starting the application (useful in production);
* New, faster API for JavaScript to Java interoperability based on standard promises (allowing async/await)
* Exception handling when calling Java from JavaScript
* Improved support for reflection
* Improved code generation, particularly for low-level graphical routines
* Improved HTTP/HTTPs connections
* Support for time zones
* Improved startup time
* Support for custom cursors

Version 1.0 - Mar 20th, 2018:

* Full rework of filesystem support
* Support Drag-and-Drop
* Support Java clipboard
* Support multi-window applets
* Support WebWorkers
* Support printing on Edge
* Support JPEG writing
* Improved input handling
* Improved applet support
* Improved AWT support
* Improved JNLP support
* Improved HTTP support
* Improved reflection support
* Improved audio support
* Reduced runtime size

Version Beta 3 - Nov 11th, 2017:

* Improved printing support with browser native printing
* Full rework of graphical architecture
* Code size optimisations
* Runtime performance optimisations
* Reduced size of the runtime
* Improvements to startup time

* Support for splitting application .jar.js files in multiple packages
* Improved on-the-fly compiler speed (dynamic class generation)
* Inline well-known system methods
* Inline small statically resolved methods

Version Beta 2 - Oct 13th, 2017:

* Support for printing (print to .ps files)
* Initial support for audio (javax audio)
* Support for Internet Explorer 11 and Edge

* Reduced code size - up to 20% size reduction on large applications
* Improved runtime performance
* Optimized 64-bit arithmetic
* Optimized exception handling
* Improved window dragging
* Improved popup support
* Improved filesystem support
* Improved cjNew overload resolution
* Improved thread scheduling
* Improved rendering performance
* Improved reflection performance
* Fixed display area detection
* Fixed keyboard focus handling

Version Beta 1 - Sep 27th, 2017:

* First public release