--- ray/doc/notes/ReleaseNotes	2010/06/18 21:22:49	1.171
+++ ray/doc/notes/ReleaseNotes	2010/07/01 21:54:55	1.172
@@ -1736,3 +1736,6 @@ Updated SCons build system for MINGW compilation, than
 Kohler.
 
 Added -u option to rlam for unbuffered output.
+
+Modified dctimestep to accept sky vector and daylight coefficient matrix
+or list of images to sum together, as suggested by Andy McNeil.