This is a stable bugfix release, with the following changes:
- Fixed decoding 4-bit RLE encoded BMP files
- Fixed setting the position of X11 windows before they're shown
- Fixed D-Pad not working when using SDL2 controller mappings
- Fixed SDL_OpenHapticFromJoystick() not returning a valid haptic handle
- Added SDL_StretchSurface() as a replacement for SDL2 SDL_SoftStretch() and SDL_SoftStretchLinear()
- Fixed several memory leaks