Updated WhatsNew.txt's 2.0.4 list to include a more detailed set of changes for iOS, and added a couple missing items to the OS X and Windows sections.

WhatsNew.txt

@@ -39,11 +39,15 @@ Windows:
 * SDL_SysWMinfo now contains the window HDC
 * Added support for Unicode command line options
 * Prevent beeping when Alt-key combos are pressed
+* SDL_SetTextInputRect re-positions the OS-rendered IME
 
 Mac OS X:
 * Implemented drag-and-drop support
 * Improved joystick hot-plug detection
+* The SDL_WINDOWEVENT_EXPOSED window event is triggered in the appropriate situations
 * Fixed relative mouse mode when the application loses/regains focus
+* Fixed bugs related to transitioning to and from Spaces-aware fullscreen-desktop mode
+* Fixed the refresh rate of display modes
 * SDL_SysWMInfo is now ARC-compatible
 
 Linux:
@@ -55,6 +59,14 @@ Linux:
 
 iOS:
 * Added support for iOS 8
+* Added support for the hint SDL_HINT_ACCELEROMETER_AS_JOYSTICK
+* Added sRGB OpenGL ES context support on iOS 7+
+* Added native resolution support for the iPhone 6 Plus
+* The SDL_WINDOW_ALLOW_HIGHDPI window flag now enables high-dpi support, and SDL_GL_GetDrawableSize or SDL_GetRendererOutputSize gets the window resolution in pixels
+* SDL_GetWindowSize and display mode sizes are in the "DPI-independent points" coordinate space rather than pixels (matches OS X behavior)
+* SDL_SysWMinfo now contains the OpenGL ES framebuffer and color renderbuffer objects used by the window's active GLES view
+* Fixed various rotation and orientation issues
+* Fixed memory leaks
 
 Android:
 * Added a hint SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH to prevent mouse events from being registered as touch events