--- ray/doc/notes/ReleaseNotes	2021/02/15 23:24:01	1.385
+++ ray/doc/notes/ReleaseNotes	2021/04/09 01:48:20	1.392
@@ -2418,3 +2418,22 @@ meaning that data repeats after 180 degree rotation (a
 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.
+
+Removed upper limit on number of modifiers in rcontrib.
+
+Put cap on maximum ambient gradient to avoid over-extrapolation of
+poorly computed irradiance cache values.
+
+Added robjutil +T option to triangulate all faces in .OBJ description.
+
+Altered BSDF library to have both front and back diffuse transmittance
+values, which can be different.  This was necessary to avoid issues
+caused by measurement and modeling discrepancies.
+
+Added pabopto2bsdf -g option to cull near-grazing scattering to avoid
+issues with noise and negative values.
+
+Increased default dynamic range from 32 to 100 in pcond and normtiff.
+
+Added -o and -n options to genbox to create .OBJ output and segment
+edges and corners for transparent materials.