--- ray/doc/notes/ReleaseNotes	2014/02/11 22:01:44	1.232
+++ ray/doc/notes/ReleaseNotes	2014/05/31 21:33:21	1.236
@@ -1926,3 +1926,17 @@ Changed dctimestep so that output matrices (-n > 1) ar
 header, and added support for float and double output formats with -o[fd].
 
 Introduced eplus_adduvf program to compute user view factors for EnergyPlus.
+
+Changed image-plane sampling in rpict to use Hilbert curve, which gives
+less of a brushed/striped appearance to output pixels with -u- (default).
+
+Added ltview and ltpict Perl scripts contributed by Axel Jacobs, inspired
+by Rob Guglielmetti.
+
+Added header variables for NROWS, NCOLS and NCOMP to help standardize
+matrix files.  This functionality has been incorporated into
+rcollate, gendaymtx, and dctimestep.
+
+Created rmtxop utility to operate on multi-component matrices.  This
+facilitates some daylight matrix calculations, and provides a general
+tool for manipulating matrix data.