diff --git a/latest/Firmware/Transponder/Binaries/README.md b/latest/Firmware/Transponder/Binaries/README.md
index 4a5d286..6a59441 100644
--- a/latest/Firmware/Transponder/Binaries/README.md
+++ b/latest/Firmware/Transponder/Binaries/README.md
@@ -6,6 +6,7 @@ or you are unsure whether these apply to your board, please start a ticket or a
 ### How to select the right firmware
 
 Launch the MAIANA app and connect to the transponder. You may need to disable / disconnect MAIANA from Signal K first.
+Make a note of:
 
 - Your board's hardware revision (example: 11.6.0)
 - Your board's MCU model (example: STM32L422)
@@ -16,6 +17,18 @@ Locate the appropriate binary in this directory. Ignore the last digit of your b
 
 ## Firmware update history
 
+### Version 4.4.1
+
+This release fixes a bug introduced in 4.3.0, where boards with the L412 processor do not report the MCU in the CLI.
+
+### Version 4.4.0
+
+This release added a CLI for trimming the crystals during manufacturing. This will be necessary going forward.
+
+### Version 4.3.0
+
+This release includes enhancements for manufacturing
+
 ### Version 4.1.0
 
 This firmware release corrects the tuning of the crystal oscillator for the Si4467 chips. This applies to boards made after November 2021 which contain the following
diff --git a/latest/Firmware/Transponder/Binaries/maiana-stm32l412-hw11.9-fw4.4.1.bin b/latest/Firmware/Transponder/Binaries/maiana-stm32l412-hw11.9-fw4.4.1.bin
new file mode 100755
index 0000000..c894ccf
Binary files /dev/null and b/latest/Firmware/Transponder/Binaries/maiana-stm32l412-hw11.9-fw4.4.1.bin differ