“The first alpha release of Python 3.0 was made available for
download on Friday. Python 3.0 includes syntactic and architectural
changes that are incompatible with the 2.x series.“In June, we described some of the preliminary plans for Python
3.0 and examined the reasoning behind a handful of the changes.
Several of those features appear in this first alpha, but much work
still remains. Additional alpha releases will occur throughout the
rest of the year. The first beta releases are scheduled for 2008,
and the final Python 3.0 release is expected to occur one year from
now…”