diff --git a/WHATS_NEW_UNIFIED.md b/WHATS_NEW_UNIFIED.md
index 9077ee278..b0ccdba12 100644
--- a/WHATS_NEW_UNIFIED.md
+++ b/WHATS_NEW_UNIFIED.md
@@ -1,3 +1,10 @@
+Version 3.5.3
+=============
+* Duet3d 3.5.3
+* Added new BTT scylla board
+* Reduced SDIO bus speed for greater SD card compatibilty with some boards
+* Fixed CAN-FD pins on octopus pro h723
+
 Version 3.5.2
 =============
 * Duet3d 3.5.2