--- ray/doc/notes/ReleaseNotes	2007/11/05 23:40:25	1.139
+++ ray/doc/notes/ReleaseNotes	2008/01/24 23:15:46	1.143
@@ -1638,3 +1638,17 @@ Adding ability in mkillum to incorporate BSDF data in 
 Internal interface (raypcalls) now used in place of rtrace process(es).
 
 Fixed pixel alignment in pcomb for size reduction and enlargement.
+
+Allow rtcontrib user to set -P and -PP options for persistent rendering.
+The only caveat is that -n setting > 1 requires -PP rather than -P.
+
+Added -c option to rtcontrib to facilitate cumulative calculations.
+
+Added ability to incorporate LBNL Window 6 bidirectional scattering
+distribution function (BSDF) data in mkillum.
+
+****** COMPATIBILITY CHANGE ********
+Fixed long-standing bug in source.cal, which caused it to produce
+reversed anisotropic photometric distributions due to the
+misorientation of the y-axis.  Thanks to Zack Rogers for discovering
+and helping debug this problem.