--- a/CHANGES	Sun Mar 01 05:40:29 2020 +0000
+++ b/CHANGES	Sun Mar 01 05:51:45 2020 +0000
@@ -1,3 +1,11 @@
+Changes in the current code since fc-host-tools-r12:
+
+* All loadtools programs: the step of feeding the IRAM code image to the
+  Calypso boot ROM has been sped up by about 700 ms by grouping contiguous
+  S-record payloads into larger blocks (up to the boot ROM limit of 1014 bytes
+  per block) instead of sending each S-record payload (30 bytes typically) as
+  its own write command.
+
 Changes from fc-host-tools-r11 to fc-host-tools-r12:
 
 * To facilitate objective comparison of loadtools performance between what the