--- ray/doc/notes/ReleaseNotes	2024/09/10 20:24:42	1.457
+++ ray/doc/notes/ReleaseNotes	2024/09/20 17:39:12	1.461
@@ -2716,4 +2716,18 @@ Multi-processing and spectral output are supported.
 
 Added crude ability to read and convert spectra to RGB in ximage,
 ra_bmp, and ra_rgbe programs.  Also updated fast tone-mapping
-library to handle spectral HSR inputs at the same time.
+library to handle spectral HSR inputs at the same time.  HSR
+input handling was added in a similar fashion to pcond and pvalue.
+
+Wrote rxpiece tool that will render pictures using tiling and
+can handle different output formats and hyperspectral pictures.
+Only runs on a single machine, however -- now NFS locking on
+shared volumes.  Mainly a demonstration tool for RpictSimulManager
+C++ class, but may have its uses.
+
+Fixed a bug in BSDF sampling of sources pointed out by
+David Geisler-Moroder, which tended to overestimate specular
+contributions for some BSDFs.
+
+Added handling of hyperspectral pictures to pextrem, though
+results are still reported in RGB.