--- ray/doc/notes/ReleaseNotes	2020/09/03 15:46:32	1.375
+++ ray/doc/notes/ReleaseNotes	2021/01/19 23:32:00	1.381
@@ -2384,3 +2384,19 @@ the sun is not visible above the horizon.
 
 =========================
 Version 5.4
+
+Added rcollate -c option to force operation to continue even if it
+seems unnecessary.  Made tool more robust.
+
+Added -t option to rcontrib (and rfluxmtx) to report progress after the
+given number of seconds.
+
+Added "test" target to makeall to run unit tests.
+
+Modified bsdf2ttree to allow different parameters per input SIR file.
+
+Fixed issues with very large matrix files (> 2GB) in dctimestep, rmtxop,
+and rcollate.
+
+Added -rf and -rb options to rmtxop to load front or back reflectance
+matrix data from XML file rather than transmission.  (Lars Grobe suggested.)