Third major update:

 - OpenAL audio system
 - FMOD audio system
 - Skeletal animation
 - Morph shape animation
 - Animation editor
 - Bugfixes

Second major update:

 - PhysX integration
 - HDR rendering
 - Filmic tonemapping
 - Gamma correct rendering
 - Clang compilation
 - CMake build files
 - Managed/Native API documentation
 - Native API manuals
 - Bugfixes

First major update:

 - C# scripting
 - WYSIWYG editor
 - Bugfixes, core improvements

First released version

 - Engine core and utilities
 - GUI
 - Plugins for render APIs: DX9, DX11, OpenGL
 - Plugins for asset import: FBX, image, TTF/OTF