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Python 2.7.8 Support

Change effective on 02 July 2014

Heroku now supports Python 2.7.8. You can specify a version with a runtime.txt file.

Python 2.7.8 is now default for all new Python applications. Existing applications will not be automatically updated.

pg:diagnose introduced in Heroku Toolbelt v3.9.0 PHP 5.5.14 is now available on Heroku