I "ported" many libraries from Ruby 1.8 to 1.9 when the introduction of string encoding caused a whole host of problems. This was anything but fun. Python 3 in

I "ported" many libraries from Ruby 1.8 to 1.9 when the introduction of string encoding caused a whole host of problems. This was anything but fun. Python 3 introduces far, far more changes than that. It sounds like a world of hurt to port things. Some people would rather port their entire app to another platform that respects the programmer's historical investment.