No specific info about version 5.6. Please visit the main page of Qt on Software Informer.
XNA Game Studio 3.0 allows create games for Windows ans Zune players.
Cmake manages the build process, in a compiler independent fashion in an OS
It can automatically generate expressive web pages using JavaScript.
The Smart Device Framework is a sample applications (with source code).
unga is a support grid system for Open Simulator servers.
It contains static and dynamic libraries for Visual C++ and QtCreator.