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Support was added for OpenAL 1.1, volumetric
shadows, 3D volumetric clouds, seasonal textures,
and rendering to a texture. The Nasal scripting
system was updated, fixing many bugs. Cockpit bugs
were fixed. A portable stdint header was added.
Memory leaks were fixed. Platform fixes were made
for Cygwin, Solaris, and Mac OS X.
Compiler-related fixes were made for MSVC and GNU
C 3.4.x.