Release schedule of Qt 4.7.0 has been changed

In five days ago, Qt community announced the change of release schedule of Qt 4.7.0 and its related products. According to this article, Qt 4.7.0 will be released during this summer. And QtCreator will be released at the same time, but its version is changed from 2.0 to 2.1. What's happened? See the matrix below:

Former release plan
Qt QtCreator Qt 4.6.x QtCreator 1.x Qt 4.7.0 QtCreator 2.0 Nokia Qt SDK Nokia Qt SDK 1.0

↓  ↓  ↓

Current release plan
Qt	QtCreator	Nokia Qt SDK
Qt 4.6.x	QtCreator 1.x
		Nokia Qt SDK 1.0(with QtCreator 2.0)
Qt 4.7.0	QtCreator 2.1

And now, Nokia Qt SDK 1.0 RC and QtCreator 2.0 RC are available.