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This is a list of major changes in SDL's version history.

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2.0.2:
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General:
* Added an API to load a database of Game Controller mappings from a file:    
    SDL_GameControllerAddMappingsFromFile
    
Windows:
* Support for OpenGL ES 2.x contexts using either WGL or EGL (natively via
  the driver or emulated through ANGLE)

Android:
* Joystick support (minimum SDK version required to build SDL is now 12, 
  the required runtime version remains at 10, but on such devices joystick 
  support won't be available).

Linux:
* Fixed fullscreen and focused behavior when receiving NotifyGrab events


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2.0.1:
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General:
* Added an API to get common filesystem paths in SDL_filesystem.h:
    SDL_GetBasePath(), SDL_GetPrefPath()
* Added an API to do optimized YV12 and IYUV texture updates:
    SDL_UpdateYUVTexture()
* Added an API to get the amount of RAM on the system:
    SDL_GetSystemRAM()
* Added a macro to perform timestamp comparisons with SDL_GetTicks():
    SDL_TICKS_PASSED()
* Dramatically improved OpenGL ES 2.0 rendering performance
* Added OpenGL attribute SDL_GL_FRAMEBUFFER_SRGB_CAPABLE

Windows:
* Created a static library configuration for the Visual Studio 2010 project
* Added a hint to create the Direct3D device with support for multi-threading:
    SDL_HINT_RENDER_DIRECT3D_THREADSAFE
* Added a function to get the D3D9 adapter index for a display:
    SDL_Direct3D9GetAdapterIndex()
* Added a function to get the D3D9 device for a D3D9 renderer:
    SDL_RenderGetD3D9Device()
* Fixed building SDL with the mingw32 toolchain (mingw-w64 is preferred)
* Fixed crash when using two XInput controllers at the same time
* Fixed detecting a mixture of XInput and DirectInput controllers
* Fixed clearing a D3D render target larger than the window
* Improved support for format specifiers in SDL_snprintf()

Mac OS X:
* Added support for retina displays:
  Create your window with the SDL_WINDOW_ALLOW_HIGHDPI flag, and then use SDL_GL_GetDrawableSize() to find the actual drawable size. You are responsible for scaling mouse and drawing coordinates appropriately.
* Fixed mouse warping in fullscreen mode
* Right mouse click is emulated by holding the Ctrl key while left clicking

Linux:
* Fixed float audio support with the PulseAudio driver
* Fixed missing line endpoints in the OpenGL renderer on some drivers
* X11 symbols are no longer defined to avoid collisions when linking statically

iOS:
* Fixed status bar visibility on iOS 7
* Flipped the accelerometer Y axis to match expected values

Android:
IMPORTANT: You MUST get the updated SDLActivity.java to match C code
* Moved EGL initialization to native code 
* Fixed the accelerometer axis rotation relative to the device rotation
* Fixed race conditions when handling the EGL context on pause/resume
* Touch devices are available for enumeration immediately after init

Raspberry Pi:
* Added support for the Raspberry Pi, see README-raspberrypi.txt for details
kc3-lang/SDL/WhatsNew.txt

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WhatsNew.txt
