You are basically loosing on ~15 years of evolution in the way GUI are programmed. The "reactive programming" pattern that QML introduced with its property bind

You are basically loosing on ~15 years of evolution in the way GUI are programmed. The "reactive programming" pattern that QML introduced with its property binding is really powerful and is what every new UI framework do nowadays. QtWidgets library only got the minimum of updates to be still relevant. Sadly, the story of QML on desktop is not really optimal.