V4.0 Sep 2022 (OCTO MK2-GD32-SN: 2350678 onwards)
- Initial release for GD32.
- Removed Standalone feature in front end.
- Added custom timing/protocol feature
- Allowed different portocol in each port
- Allowed both RJ45 Port to be used without rebooting
- Updated Help Page LED indicator
- Fixed bugs from V3.1
	- WWA colour orders
	- Pixel grouping update from mapped pixel display settings
	- Cyan LED indicator for merge error
	- Fall back IP 192.168.0.10 when DHCP enabled but not working

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V3.1 Sep 2022 (OCTO MK2-PIC32-SN 2341008 to 2350677)
- Added SACN Multicast implemention
- Fixed UCS2904 bug.

Note: It is strongly recommended to factory reset from the RESET BUTTON for a smooth firmware update before updating from V3.0 to V3.1.
In the case of updating from V3.0 to V3.1 and the unit doesn't reboot successfully, follow the factory reset guide below will boot the device to V3.1.
Factory Reset by Reset Button:
- Power down device.
- Hold reset button down.
- Power device with reset button held down.
- Keep reset button held down until the LED starts blinking red. 
- Release the reset button.  
- Power cycle the unit.  

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V3.0 Jan 2022 (OCTO MK2-PIC32-SN 2341008 to 2350677)
- Initial release 
- Removed Standalone-Background settings (Dim, Strobe, Frequency etc).

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V2.1 Feb 2021 (Octo Mk2-MK64-SN up to 2323030)
- Initial release
Note: Octo and Octo MK2 firmware mutually exclusive, please pick the correct version for matching Octo revision