Digia the company that has taken over the development of Qt (from Nokia) has released version 5.0 of the toolkit. This maintains compatibility with Qt 4.

Qt 5 benefits include:

• graphics quality
• performance on constrained hardware
• cross-platform portability
• support for C++11
• HTML5 support with QtWebKit 2
• a vastly improved QML engine with new APIs

Qt 5 also supports OpenGL ES (the version of Open GL that is optimised for embedded systems).

Qt supports a wide range of operating systems including Windows, Mac OS X and Linux, embedded operating systems such as embedded Linux, Windows Embedded as well as the most widely deployed real-time operating systems for embedded devices – VxWorks, Neutrino and INTEGRITY – and popular mobile OSes.

Digia is maintaining 2 versions of Qt, the commercial version and a 30 day free trial is available from qt.digia.com and the open source version from qt-project.org.