LibRaw 0.6.0 Beta1 has lot of changes:

• Calls added: dcraw_make_mem_image() and dcraw_make_mem_thumb(). These calls are used for make 3-component RGB bitmap (rotated and so on) for later use in user application.
  Sample usage: samples/mem_image.cpp
• Added gamma-corrected 16-bit output.
• Added input/output ICC profiles via LCMS library.
• Added bad pixels map support (similar to dcraw)
• Added dark frame subtraction (similar to dcraw)
• samples/dcraw_emu supporrs icc profiles, bad pixels map and dark frame subtracton.
• New processing stages (in progress_flags): LIBRAW_PROGRESS_BAD_PIXELS LIBRAW_PROGRESS_DARK_FRAME
• Bug in adjust_sizes_info_only() fixed
• Supported camera list calls: cameraList()/cameraCount()
• LibRaw version info calls: version(), versionNumber(), LIBRAW_CHECK_VERSION().
• Callback functions interface changes: calling application may supply pointer to private callback data section. If so, callbacks will be called with this pointer passed.
• Added callback calls for progress indication and fast processing termination.
• OpenMP support on Unix (gcc) systems. Up to 30% speedup on 2-core machines.

Your can always download latest LibRaw version from this site's download page.