Is IPython 2.0 really ready?

Question

According to yolk, IPython 2.0 is now available for installation

$ yolk -U
ipython 1.2.1 (2.0.0)

but there is no announcement of this on the IPython website, and the current stable version indicated there is 1.2.1.

Is IPython 2.0 stable and ready to install? Is this an April Fools?

Answer 1

The release was available before the corresponding update to the notes on the website.