[Development] QML engine C++ class renaming

[Robin Burchell]

2012/2/15 Mark <markg85 at gmail.com>:
> Why would you still support QML 1? Qt5 is going to have QML 2 which should
> be superior to QML 1 in about every single way so why not just drop it for
> Qt5?

Because one of the central points of Qt 5 is maintaining compatibility
with Qt 4 as far as is possible. That means not breaking existing code
(of which there is quite a lot).