LibRaw 0.7.2 released, changes are:

• More accurate types conversion in libraw_datastream.h
• New postprocessing parameter auto_bright_thr: set portion of clipped pixels for auto brightening code (instead of dcraw-derived hardcoded 1%)
• -U option for dcraw_emu sample sets auto_bright_thr parameter
• all client code should be recompiled due to structures size change

LibRaw 0.7.2 is available for download on this site download page