--- ray/doc/notes/ReleaseNotes	2013/12/19 16:38:12	1.228
+++ ray/doc/notes/ReleaseNotes	2014/01/25 18:27:39	1.230
@@ -1912,3 +1912,12 @@ modifier for that name.
 Made it so icalc and rcalc search RAYPATH directories for *.cal files
 given on command line.  This simplifies script writing and makes these
 utilities consistent with other tools in Radiance.
+
+Added triangulation routine to handle convex polygons in obj2mesh.
+
+****** COMPATIBILITY CHANGE ********
+Made backface visibility apply to all material types, including
+transparent and translucent materials (except dielectric and interface).
+This makes the option useful in cases where adjacent trans surfaces
+are placed next to each other by a modeler that only understands
+volumetric objects.