This article, while entertaining, is not true.

Canonical will not migrate to SurfaceFlinger.

Speaking on behalf of myself here, and making an individual decision to prevent the spreading of FUD.

EDIT: And here is the public announcement of what we are working on that I've been waiting for:

https://wiki.ubuntu.com/MirSpec

http://www.olli-ries.com/mir-unity-qml-unity-apis-unity/

https://lists.ubuntu.com/archives/ubuntu-devel/2013-March/03...