--- ray/doc/notes/ReleaseNotes	2018/10/09 17:57:17	1.327
+++ ray/doc/notes/ReleaseNotes	2019/03/01 01:00:03	1.333
@@ -2238,3 +2238,19 @@ colored sky option.
 
 =========================
 Version 5.3
+
+Created radcompare program to compare Radiance tool output to reference outputs
+during unit-testing.
+
+Fixed issue reading very large files (> 2 GBytes) in rcollate.
+
+Made picking function in rvu ignore transparent and void surfaces.
+
+Added -orRxX options to rtrace to enable output of mirrored and unmirrored
+contributions and distances to enable new types of reprojections.  This also
+cleaned up and unified handling of effective ray lengths throughout code.
+
+Bug fixes from Jan Wienold for evalglare.
+
+Changed indexed (numbered) output from dctimestep to start from 0 rather
+than 1, to make it more consistent with expected input naming.