* Support for OpenGL 4.6
* Replaced JoystickButton enum with simple long. (breaking API change)
* Increase available joystick buttons to 64.
* Add support for OpenGL ES3 through Angle + DIrect3D.
* Fix 2 crashes on android
* Move to built-in System.Diagnostics.Debug for Android + iOS
* Fix for certain joysticks returning invalid HID pages.
* Fix for certain joysticks with negative axis range being inverted.
* Fix Xbox controller D-pad on windows
* Fix joystick hat position sticking on Linux
* Enhance xbox button detection to include GUIDE button.
* Fix iOS GL bindings issue introduced by 2ea8334
* Fix crash on setting time to <= 0 for iOS + Android.
* Several minor XML documentation fixes and enhancements
* Fix for angle backbuffer size issue on window resize
* Possible fix for broken GLControl package.
* Moved to new FAKE/Paket based build system
* Removed superfluous release configurations
* Numerous other fixes and enhancements