RELEASED Python 2.6a1 and 3.0a3

[Kay Schluehr]

On 1 Mrz., 19:51, Barry Warsaw <ba... at python.org> wrote:

> Python 2.6 is not only the next advancement in the Python 2 series, it
> is also a transitionary release, helping developers begin to prepare
> their code for Python 3.0.

Isn't this a silly idea? People have to migrate from 2.5 or lower
releases to Python 2.6 first just to migrate to Python 3.0? What are
the inherent / technical reasons that prevent migration directly from
2.5 to 3.0?