--- ray/doc/notes/ReleaseNotes	2014/08/21 19:38:23	1.245
+++ ray/doc/notes/ReleaseNotes	2014/09/15 16:49:08	1.247
@@ -1971,3 +1971,7 @@ Added support for argument expansion to rfluxmtx and b
 Fixed bug in indirect hemisphere sampling for some corner cases.
 
 Added default specular lobe to BSDF interpolation.
+
+Set minimum number of shadow checks before direct optimization (4).
+
+(Above changes included in 4.2.1 patch release.)