--- ray/doc/notes/ReleaseNotes	2022/04/11 04:03:36	1.413
+++ ray/doc/notes/ReleaseNotes	2022/04/26 03:00:02	1.415
@@ -2542,3 +2542,11 @@ produce "-ld+" without requiring input picture as argu
 Added automatic overture calculation to rtpict with -n > 1 if
 ambient cache is on and file is named.  If straight image output
 is requested, we randomize all samples and avoid cache collisions.
+
+Added cnt -s option to shuffle output.
+
+Fixed issue with divide-by-zero errors in the ambient super-sampling
+routine discovered by Jon Sargent of Solemma.  This affected regions
+that had zero radiance, such as black backgrounds or unlit areas
+with -av 0 0 0, when super-sampling was effectively disabled, causing
+some loss in accuracy of the results.