SDL is a library that allows you portable
low-level access to a video framebuffer, audio
output, mouse, and keyboard. With SDL, it is easy
to write portable games which run on many
different platforms.
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Official IRIX and FreeBSD support and DrawSprockets support on MacOS were added. There is now also experimental DGA 2.0 hardware support and support for resizable windows and stretchable YUV overlays. Other changes include improved default GCC optimization flags, condition variables and semaphores, much faster RLE accelerated colorkey blits, much faster alpha blending blit routines, and lots of minor bugfixes and improvements.