While HP Tuners keeps a detailed change log internally, user testing and official release notes reveal several critical updates in this build.
Version 4.12.4 is designed to bridge the gap between older and newer HP Tuners hardware: MPVI3 Integration : This version fully supports the MPVI3 interface hp tuners 4.12.4
This report outlines the features, operational procedures, and known issues for HP Tuners VCM Suite version 4.12.4 While HP Tuners keeps a detailed change log