Official public release candidate for 4.3.5 with OS Checksum 0xD920 Fixed Defect: - •Phase loss alarm malfunctioning issue fixed •HTTPS disable/Enable option provided •User Account management issue fixed •EIP implicit message connectivity issue fixed •Algorithmically Generated Password – Dragos – Fixed •Mocana NanoSSL Vulnerabilities – Fixed •Blank display for RMS values for 1 to 2 seconds when there is a change in value from 99 to 100 or 999 to 1000 in LCD display •DHCP IP acquisition issue on v2.8.3 - Fixed •Improved handling of Digital Output status •Improved handling of “TCP Keepalive” and “Modbus TCP/IP Server Connection Idle Time” configurations •OS Firmware checksum readable over HMI, and via Modbus Register 20533 •Affecting zero-day vulnerabilities from "Ripple20" in low-level TCP/IP software library developed by Treck, Inc.- Fixed •BACnet setting not working when the deice ID is 0 – Fixed •HTTP port number value is reset to default value after changed using Modbus commands – Fixed •Applicable for PM5563 – Improved compatibility with PM5RD HW version Ax (x = number) •TCP ports unreachable after subjected to malformed Modbus requests – Improved •Information disclosure in FTP Server – Prevented •Input metering accumulation backup frequency increased to one second •LCD HMI Russian Language strings fixed •Cyber security issues fixed •EIP Reset service is disabled •Default LCD type is changed to TIANMA New Feature:- •Configurable Pulse width for Digital outputs •Logging of firmware upgrade details and count are increased from 10 to 25. •Stack upgraded from Monaco to mbedtls •Cyber security improvements done •Warning banner for webpage as configurable •DHCP input parameter is configurable to MACID or DeviceID