--- ray/doc/notes/ReleaseNotes	2025/05/29 16:42:28	1.490
+++ ray/doc/notes/ReleaseNotes	2025/06/27 19:38:13	1.493
@@ -2672,9 +2672,11 @@ put out as many color channels as specified in any -cs
 
 Added ability of mgf2rad to convert spectral data at least
 for light, glow, plastic, and metal primitive types.  Need
-to use new '-s' option to get new output.
+to use new '-s' option to get new output.  Added support for
+new WGMDfunc type as well, which is considerably more flexible
+at supporting different spectral components.
 
-Added handling of spectral images to rcode2bmp script.
+Added handling of spectral pictures (HSR) to rcode2bmp script.
 
 Minor change to rcollate to allow explicit byte records to
 be any specified length without checks against header input.
@@ -2718,7 +2720,7 @@ Wrote rxpiece tool that will render pictures using til
 can handle different output formats and hyperspectral pictures.
 Only runs on a single machine, however -- no NFS locking on
 shared volumes.  Mainly a demonstration tool for RpictSimulManager
-C++ class, but may have its uses.
+C++ class, but later added to standard Rmakefile targets.
 
 Fixed a bug in BSDF sampling of sources pointed out by
 David Geisler-Moroder, which tended to overestimate specular
@@ -2740,7 +2742,7 @@ results are still reported in RGB.
 Added accurate conversion of hyperspectral pictures to ra_xyze.
 
 Added hyperspectral picture conversion to ra_tiff, with accurate
-color when targeting 16-bit/comp., LogLuv, and float utput,
+color when targeting 16-bit/comp., LogLuv, and float output,
 and the approximate method for 24-bit RGB.
 
 Taoning added genssky -L option to specify global and diffuse
@@ -2824,3 +2826,8 @@ sampling rate for most BSDFs.
 Fixed problem with "mirror" primitive, which was not permitting
 indirect rays to transmit through alternate material type.
 Thanks to Jon Sargent for finding problem and help resolving it.
+
+Added experimental C++ based rxpiece tool to default installation
+in makeall/Rmakefile.
+
+Added rcomb -mt option to transpose concatenation matrix.