Python 3.0 won't be compatible with earlier versions

From SDTimes.com:

Python developers will soon have a tough decision to make: Move to a new Python, or stay forever bound to version 2.5 or earlier. On the Sept. 30, Python 2.6 was released, and it included a multitude of new features and adjustments to help ease users into the dramatic shift that will come with Python 3.0.

Read the full article at SDTimes.com.