Although 7.4.11 is a minor revision over 7.4.1:
Version 7.4.11 expanded support for complex data types that were becoming standard in 2018/2019. This includes:
A manufacturing firm migrated a 15-year-old Delphi 7 app with BDE to RAD Studio 10.3 Rio. UniDAC’s TUniTable and TUniQuery acted as drop-in replacements for TTable and TQuery, reducing months of work to two weeks.