Game Programming Using Qt Beginner's Guide

New in Qt 5

The API of Qt 5 does not differ much from that of Qt 4. Therefore, Qt 5 is almost completely source compatible with its predecessor, which means that we only need a minimal effort to port the existing applications to Qt 5. This section gives a brief introduction to the major changes between versions 4 and 5 of Qt. If you are already familiar with Qt 4, this can serve as a small compendium of what you need to pay attention to if you want to use the features of Qt 5 to their fullest extent.

Restructured codebase

The biggest change compared to the previous major release of Qt and the one that is immediately visible when we try to build an older application against Qt 5 is that the whole framework was refactored into a different set of modules. ...