The Qt Company claims an ecosystem featuring some 1 million developers. The extension has been reviewed by 11 developers, who have awarded it a 3.9 average rating (out of 5). "So great!" reads one ...

Sure, Qt acts as a pre-processor to C++’s pre-processor to C, but as with C++, it doesn’t monkey with code that you write that has noting to do with its extensions.

Lighthouse has recently graduated from a research project into an official part of the Qt technology ecosystem and will be supported in Qt 4.8, the next release of the toolkit.

Back when he announced the original experiments in Qt, LXDE's founder, Hong Jen Yee "PCMan", pointed out that the project would not be moving from GTK+ 2 to the newer GTK+ 3 that arrived with GNOME 3.