- Heroku Architecture
Databases & Data Management
- Heroku Postgres
- Heroku Enterprise
- Extending Heroku
Python runtime defaults to 3.6.1
Change effective on 20 June 2017
Effective today, new Python applications pushed to Heroku will use the
python-3.6.1 runtime by default (instead of
Existing applications are not affected by this change.
If you would like to specify Python 2.7, rather than using the new default, please refer to the Heroku Dev Center.