On 2014-01-19, Steven D'Aprano wrote:
- if people install this new version of Python as the default, old scripts and programs will break. [...]
- It gives people an excuse to avoid migrating, and as sure as the sun
rises in the east, will lead to people calling for Python 2.9 a few years from now.
That would be progress though. My proposed 2.8 would have most of the incompatible changes from 3.x so if people port it they will be much closer to 3.x.