What’s New In Python 3.3¶ This article explains the new features in Python 3.3, compared to 3.2. Python 3.3 was released on September 29, 2012. For full details, see the changelog. Summary – Release highlights¶ New syntax features: New yield from expression for generator delegation. The u'unicode' syntax is accepted again for str objects. New library modules: faulthandler (helps debugging low-leve