diff --git a/ArduPlane/ReleaseNotes.txt b/ArduPlane/ReleaseNotes.txt
index e407652879..b15bcba68c 100644
--- a/ArduPlane/ReleaseNotes.txt
+++ b/ArduPlane/ReleaseNotes.txt
@@ -1,4 +1,4 @@
-Release 5.1.0-beta1 5th March 2024
+Release 5.1.0 12th March 2024
 ------------------------------
  - AP_Scripting: Added Lua bindings for ESC, MotorsMatrix, and EFI safety checks.
  - AP_EFI: Added ThM to EFIS log for better engine log understanding and updated field names for 64-character length.
@@ -8,6 +8,8 @@ Release 5.1.0-beta1 5th March 2024
  - Workflow: Deleted test_coverage CI due to consistent failures that do not affect the code base (SW-91). 
  - Module: libcanard link updated to Carbonix Fork of the repo
  - Module: libcanard bug fix cherry picked commit : ensure payload_len is zeroed on start of a new multi-frame packet
+ - AP_Scripting: added QUIK_MAX_REDUCE parameter to VTOL-quicktune.lua for limiting amount reduction in rate gains
+ - AP_Scripting: VTOL_Quicktune.lua Bug Fix prevent "Starting XXX tune" happening multiple times on Msg box
 
 Release 5.0.0 23rd Jan 2024
 ------------------------------
diff --git a/libraries/AP_Common/AP_FWVersionDefine.h b/libraries/AP_Common/AP_FWVersionDefine.h
index c03bcf76e8..f04b855515 100644
--- a/libraries/AP_Common/AP_FWVersionDefine.h
+++ b/libraries/AP_Common/AP_FWVersionDefine.h
@@ -24,7 +24,7 @@
 #include <AP_Vehicle/AP_Vehicle_Type.h>
 
 #ifdef CARBOPILOT
-#define AP_CUSTOM_FIRMWARE_STRING "CxPilot 5.1.0-beta1"
+#define AP_CUSTOM_FIRMWARE_STRING "CxPilot 5.1.0"
 #endif
 
 /*