--- ray/doc/notes/ReleaseNotes	2025/03/27 01:26:55	1.479
+++ ray/doc/notes/ReleaseNotes	2025/04/04 18:06:48	1.481
@@ -2780,3 +2780,12 @@ Wrote new pvsum tool to handle cases dctimestep can't,
 spectral input pictures.  It also adds a -N option for multi-
 processing on Unix machines, which utilizes memory-mapped
 inputs for efficient i/o sharing.
+
+Made it so genBSDF can use spectral rendering for a
+more accurate photometric result.
+
+Changed default matrix representation to float rather than
+double, which uses less RAM and supports faster operations
+in general.  Build with compiler flag:
+	-DDTnativeDTrmx_native=DTdouble
+to get back higher precision representation.