QML performance

The first and most important performance QML improvement technique is the use newest Qt version trick, as in each new release, QML performance gets steadily improved. So, let's start this section with a look at the performance improvements achieved in the current LTS version of the framework.

Improvements in 5.9 and beyond

For the Qt 5.9 LTS version we are using in this book, one of the most important objectives was to significantly improve the QML performance compared to the previous LTS version, that is, Qt 5.6.

This objective was met quite impressively, as in some areas the performance could be improved even up to 130%, the average over all modules being 14%. More specifically, the following improvements...