Python 2.7.7 and 3.4.1 Support

Change effective on 02 June 2014

Heroku now supports Python 2.7.7 and 3.4.1. You can specify a version with a runtime.txt file.

Python 2.7.7 is now default for all new Python applications. Existing applications will not be automatically updated.

Fresh Python runtime installations have also been compiled with the --enable-shared flag.