--- ray/doc/notes/ReleaseNotes	2021/01/31 18:08:04	1.382
+++ ray/doc/notes/ReleaseNotes	2021/02/15 23:24:01	1.385
@@ -2408,3 +2408,13 @@ If the materials are both transparent or both opaque, 
 surface appeared later in the scene description will be selected.
 This came of a request for consistent behavior with legal CAD output
 from Peter Apian-Bennewitz.
+
+Added explicit tests for on-edge intersections with polygons.  This should
+eliminate stray rays and tiny light leaks that often appear even in
+well-constructed geometry.
+
+Added "-s up" option to pabopto2bsdf to allow for 180 degree symmetry,
+meaning that data repeats after 180 degree rotation (as distinguished
+from "-s bilateral" whose data is mirrored about a vertical plane).
+Thanks to Helen Rose Wilson for the suggestion and informing me that
+such a thing exists.