Python 3.5.10 is now available
Change effective on 07 September 2020
Python (CPython) 3.5.10 is now available on Heroku.
Please note that after 2020-09-13 the upstream Python community will no longer be releasing new updates of Python 3.5, so all customers using Python 3.5 should update to Python 3.6 or newer as soon as possible, to ensure they continue to receive security updates after that point.
For more information, see our page on Python Support.