PEP 596 – Python 3.9 Release Schedule | peps.python.org (original) (raw)
Author:
Łukasz Langa
Discussions-To:
Status:
Active
Type:
Informational
Topic:
Created:
04-Jun-2019
Python-Version:
3.9
Table of Contents
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 use a 17-month development period that results in a 12-month release cadence between feature versions, as defined byPEP 602.
Actual:
- 3.9 development begins: Tuesday, 2019-06-04
- 3.9.0 alpha 1: Tuesday, 2019-11-19
- 3.9.0 alpha 2: Wednesday, 2019-12-18
- 3.9.0 alpha 3: Saturday, 2020-01-25
- 3.9.0 alpha 4: Wednesday, 2020-02-26
- 3.9.0 alpha 5: Monday, 2020-03-23
- 3.9.0 alpha 6: Tuesday, 2020-04-28
- 3.9.0 beta 1: Monday, 2020-05-18 (No new features beyond this point.)
- 3.9.0 beta 3: Tuesday, 2020-06-09 (beta 2 was recalled.)
- 3.9.0 beta 4: Friday, 2020-07-03
- 3.9.0 beta 5: Monday, 2020-07-20
- 3.9.0 candidate 1: Tuesday, 2020-08-11
- 3.9.0 candidate 2: Thursday, 2020-09-17
- 3.9.0 final: Monday, 2020-10-05
Bugfix releases
Actual:
- 3.9.1 candidate 1: Tuesday, 2020-11-24
- 3.9.1 final: Monday, 2020-12-07
- 3.9.2 candidate 1: Tuesday, 2021-02-16
- 3.9.2 final: Friday, 2021-02-19
- 3.9.3: Friday, 2021-04-02 (security hotfix; recalled due to bpo-43710)
- 3.9.4: Sunday, 2021-04-04 (ABI compatibility hotfix)
- 3.9.5: Monday, 2021-05-03
- 3.9.6: Monday, 2021-06-28
- 3.9.7: Monday, 2021-08-30
- 3.9.8: Friday, 2021-11-05 (recalled due to bpo-45235)
- 3.9.9: Monday, 2021-11-15
- 3.9.10: Friday, 2022-01-14
- 3.9.11: Wednesday, 2022-03-16
- 3.9.12: Wednesday, 2022-03-23
- 3.9.13: Tuesday, 2022-05-17 (final regular bugfix release with binary installers)
Source-only security fix releases
Provided irregularly on an “as-needed” basis until October 2025.
- 3.9.14: Tuesday, 2022-09-06
- 3.9.15: Tuesday, 2022-10-11
- 3.9.16: Tuesday, 2022-12-06
- 3.9.17: Tuesday, 2023-06-06
- 3.9.18: Thursday, 2023-08-24
- 3.9.19: Tuesday, 2024-03-19
- 3.9.20: Friday, 2024-09-06
- 3.9.21: Tuesday, 2024-12-03
- 3.9.22: Tuesday, 2025-04-08
3.9 Lifespan
3.9 received bugfix updates approximately every 2 months for approximately 18 months. Some time after the release of 3.10.0 final, the ninth and final 3.9 bugfix update was 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
Implemented PEPs for 3.9:
- PEP 573, Module State Access from C Extension Methods
- PEP 584, Add Union Operators To dict
- PEP 585, Type Hinting Generics In Standard Collections
- PEP 593, Flexible function and variable annotations
- PEP 614, Relaxing Grammar Restrictions On Decorators
- PEP 615, Support for the IANA Time Zone Database in the Standard Library
- PEP 616, String methods to remove prefixes and suffixes
- PEP 617, New PEG parser for CPython
Copyright
This document has been placed in the public domain.