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Python Enhancement Proposals

PEP 664 – Python 3.11 Release Schedule

Author:
Pablo Galindo Salgado <pablogsal at python.org>
Status:
Active
Type:
Informational
Topic:
Release
Created:
12-Jul-2021
Python-Version:
3.11
Table of Contents

Abstract

This document describes the development and release schedule forPython 3.11. The schedule primarily concerns itself with PEP-sizeditems.

Release Manager and Crew

  • 3.11 Release Manager: Pablo Galindo Salgado
  • Windows installers: Steve Dower
  • Mac installers: Ned Deily
  • Documentation: Julien Palard

Release Schedule

3.11.0 schedule

Note: the dates below use a 17-month development period that resultsin a 12-month release cadence between feature versions, as defined byPEP 602.

Actual:

  • 3.11 development begins: Monday, 2021-05-03
  • 3.11.0 alpha 1: Tuesday, 2021-10-05
  • 3.11.0 alpha 2: Tuesday, 2021-11-02
  • 3.11.0 alpha 3: Wednesday, 2021-12-08
  • 3.11.0 alpha 4: Friday, 2022-01-14
  • 3.11.0 alpha 5: Thursday, 2022-02-03
  • 3.11.0 alpha 6: Monday, 2022-03-07
  • 3.11.0 alpha 7: Tuesday, 2022-04-05
  • 3.11.0 beta 1: Sunday, 2022-05-08(No new features beyond this point.)
  • 3.11.0 beta 2: Tuesday, 2022-05-31
  • 3.11.0 beta 3: Wednesday, 2022-06-01
  • 3.11.0 beta 4: Monday, 2022-07-11
  • 3.11.0 beta 5: Tuesday, 2022-07-26
  • 3.11.0 candidate 1: Monday, 2022-08-08
  • 3.11.0 candidate 2: Monday, 2022-09-12
  • 3.11.0 final: Monday, 2022-10-24

Bugfix releases

Actual:

  • 3.11.1: Tuesday, 2022-12-06
  • 3.11.2: Wednesday, 2023-02-08
  • 3.11.3: Wednesday, 2023-04-05
  • 3.11.4: Tuesday, 2023-06-06
  • 3.11.5: Thursday, 2023-08-24
  • 3.11.6: Monday, 2023-10-02
  • 3.11.7: Monday, 2023-12-04
  • 3.11.8: Tuesday, 2024-02-06
  • 3.11.9: Tuesday, 2024-04-02(Final regular bugfix release with binary installers)

Source-only security fix releases

Provided irregularly on an “as-needed” basis until October 2027.

  • 3.11.10: Saturday, 2024-09-07
  • 3.11.11: Tuesday, 2024-12-03
  • 3.11.12: Tuesday, 2025-04-08
  • 3.11.13: Tuesday, 2025-06-03
  • 3.11.14: Thursday, 2025-10-09

3.11 Lifespan

3.11 received bugfix updates approximately every 2 months forapproximately 18 months. Some time after the release of 3.12.0 final,the ninth and final 3.11 bugfix update was released. After that,it is expected that security updates (source only) will be releaseduntil 5 years after the release of 3.11.0 final, so until approximatelyOctober 2027.

Features for 3.11

Some of the notable features of Python 3.11 include:

  • PEP 654, Exception Groups andexcept*.
  • PEP 657, Enhanced error locations in tracebacks.
  • PEP 680, Support for parsing TOML in the standard library
  • Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measureda 1.25x speedup on the standard benchmark suite. SeeFaster CPython fordetails.

Typing features:

  • PEP 646, Variadic generics.
  • PEP 655, Marking individual TypedDict items as required or potentially-missing.
  • PEP 673, Self type.
  • PEP 675, Arbitrary literal string type.
  • PEP 681, Dataclass transforms

Copyright

This document has been placed in the public domain.

Source:https://github.com/python/peps/blob/main/peps/pep-0664.rst

Last modified:2025-11-10 12:03:32 GMT

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