Comparing Python and Ruby upgrades is not fair. Ruby 1.9 was working mostly the same as 1.8 while provising 2-3x speed improvment, and new exciting features.

Comparing Python and Ruby upgrades is not fair. Ruby 1.9 was working mostly the same as 1.8 while provising 2-3x speed improvment, and new exciting features. Python 3 breaks even the basic Python 2 hello world, everything was notably slower, and not anything new and exiciting feature-wise apart ubified string support.