--- ray/doc/notes/ReleaseNotes	2024/08/07 18:42:56	1.455
+++ ray/doc/notes/ReleaseNotes	2024/12/03 01:11:42	1.470
@@ -2710,3 +2710,54 @@ added epw2wea -a option to include required informatio
 Fixed bug introduced in Auguest 2022 (5.4 release) in distant
 light source sampling, which caused aiming failures.  (Thanks
 to Mike DiPompeo of LightStanza for reporting the issue.)
+
+Added rxpict rendering tool based on C++ RpictSimulManager class.
+Multi-processing and spectral output are supported.
+
+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 crude ability to read and convert spectra to RGB in ximage,
+ra_bmp, ra_ps, and ra_rgbe programs.  Also updated fast tone-mapping
+library to handle spectral HSR inputs at the same time.  HSR
+input handling was added in a similar fashion to pcond and pvalue
+for convenience.
+
+Added handling of hyperspectral images to normtiff, a handy program
+for quickly tone-mapping Radiance RGBE, XYZE, and now hyperspectral
+pictures, as well as IEEE float or LogLuv TIFFs.
+
+Added handling of hyperspectral pictures to pextrem, though
+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,
+and the approximate method for 24-bit RGB.
+
+Taoning added genssky -L option to specify global and diffuse
+illuminance values for output calibration.
+
+Created C++ class for rcontrib and example tool rxcontrib, which
+is an optional compile in the src/rt directory.  The output
+model is more general in some respects and the operations more
+efficient, but standard output is not supported, nor is ASCII
+results data.
+
+Added experimental source-skipping method to rpict for scenes
+with large number of light sources.  Currently works with
+rcontrib and separate srcsamp image-processing tool.  Controlling
+rpict options are -dS for skip bitmap specification and -dC
+for correction coefficient image.  Compile using -DSSKIPOPT
+to include this option.
+
+Added strnstr.c compatibility module in ray/src/common, since
+it isn't present on Linux-derivatives.