--- ray/doc/notes/ReleaseNotes	2024/05/17 20:50:57	1.450
+++ ray/doc/notes/ReleaseNotes	2024/05/20 23:21:28	1.451
@@ -2695,3 +2695,5 @@ Added -i option to gendaymtx to match -i option of gen
 Thanks to Yongqing for initial implementation.
 
 Changed rcrop so negative #rows or #cols counts back from end.
+
+Added rcomb -n option for multi-processing of very large matrices.