qt Build Qt using the C++11 standard Add support for exceptions - like catching them inside the event loop (recommended by Nokia) Install the private header files required by some QtCreator plugins Build a window system agnostic implementation of Qt Enable the Qt3Support libraries for Qt4. Note that this does not mean you can compile pure Qt3 programs with Qt4. Build the WebView QML component https://bugreports.qt-project.org/ http://qt-project.org/doc/