--- ray/doc/notes/ReleaseNotes	2022/08/21 16:20:42	1.421
+++ ray/doc/notes/ReleaseNotes	2022/11/16 00:12:49	1.424
@@ -2575,3 +2575,17 @@ Updated official copyright and license according to ne
 provided by Jean Haemmerle at the LBNL Intellectual Property Office.
 Both were copied verbatim from e-mail I received from Taoning Wang
 on 8/20/2022.
+
+Added -features option to rpict, rtrace, and rcontrib to check
+which features are present or look for specific feature support.
+This addition was suggested by Peter Apian-Bennewitz as an easier
+way to determine which version of Radiance is installed and what
+it supports, and is timely as we begin our refactoring of the
+rendering code.  There are no current plans to add this to rvu.
+
+Added falsecolor -odim, -orct, and -c0 options to overlay grid of
+values on image.  This was requested by Rob Shakespeare.
+
+Added -i* and -o* options in rhcopy for reading rays from the
+standard input and writing rays from holodeck to standard output.
+This will hopefully be useful in combining rholo with rcontrib.