While the development of Python 3 started in 2006, its first release, Python 3.0, was released on December 3, 2008. The main reasons for a backward incompatible version were: switching to Unicode for all strings, increased use of iterators, cleanup of deprecated features such as old-style classes, and some new syntactic additions such as the nonlocal statement.
The reaction to Python 3 in the Django community was rather mixed. Even though the language changes between version 2 and 3 were small (and over time, reduced), porting the entire Django codebase was a significant migration effort.
On February 13, Django 1.5 became the first version to support Python 3. Core developers have clarified that, in future, Django will only ...
