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PEP 596 -- Python 3.9 Release Schedule

PEP:596
Title:Python 3.9 Release Schedule
Author:Łukasz Langa <lukasz at python.org>
Discussions-To:https://discuss.python.org/t/pep-596-python-3-9-release-schedule-doubling-the-release-cadence/1828
Status:Draft
Type:Informational
Created:04-Jun-2019
Python-Version:3.9

Abstract

This document describes the development and release schedule for Python 3.9. The schedule primarily concerns itself with PEP-sized items.

Release Manager and Crew

  • 3.9 Release Manager: Łukasz Langa
  • Windows installers: Steve Dower
  • Mac installers: Ned Deily
  • Documentation: Julien Palard

Release Schedule

3.9.0 schedule

Note: the dates below are proposing a 17-month development period that results in a 12-month release cadence between major versions. This is still a draft under discussion. Rationale and details described in PEP 602. Suggestions and comments welcome.

Expected:

  • 3.9 development begins: Tuesday, 2019-06-04
  • 3.9.0 alpha 1: Monday, 2019-10-14
  • 3.9.0 alpha 2: Monday, 2019-11-18
  • 3.9.0 alpha 3: Monday, 2019-12-16
  • 3.9.0 alpha 4: Monday, 2020-01-13
  • 3.9.0 alpha 5: Monday, 2020-02-17
  • 3.9.0 alpha 6: Monday, 2020-03-16
  • 3.9.0 alpha 7: Monday, 2020-04-13
  • 3.9.0 beta 1: Monday, 2020-05-18 (No new features beyond this point.)
  • 3.9.0 beta 2: Monday, 2020-06-15
  • 3.9.0 beta 3: Monday, 2020-07-13
  • 3.9.0 beta 4: Monday, 2020-08-17
  • 3.9.0 candidate 1: Monday, 2020-09-14
  • 3.9.0 candidate 2: Monday, 2020-09-21 (if necessary)
  • 3.9.0 final: Monday, 2020-10-05

Subsequent bugfix releases at a monthly cadence.

3.9 Lifespan

3.9 will receive bugfix updates approximately every month for approximately 12 months. After the release of 3.10.0 final, a final 3.9 bugfix update will be released. After that, it is expected that security updates (source only) will be released until 5 years after the release of 3.9 final, so until approximately October 2025.

Features for 3.9

Nothing yet, go write a PEP!

Source: https://github.com/python/peps/blob/master/pep-0596.rst