diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 18a47b6bca..ea5ed4c522 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,5 +1,11 @@
 ArduPilot Copter Release Notes:
 ------------------------------------------------------------------
+Copter 4.3.3 20-Jan-2023
+Changes from 4.3.3-rc1
+1) Bug fixes
+    a) MAVFTP fix to terminate session error (could cause FTP failures)
+    b) IMU fast fifo reset log message max frequency reduced
+------------------------------------------------------------------
 Copter 4.3.3-rc1 09-Jan-2023
 Changes from 4.3.2
 1) Autopilot related changes