PEP: 664 Title: Python 3.11 Release Schedule Author: Pablo Galindo
Salgado <pablogsal@python.org> Status: Active Type: Informational Topic:
Release Created: 12-Jul-2021 Python-Version: 3.11

Abstract

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

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 results in
a 12-month release cadence between feature versions, as defined by PEP
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 Lifespan

3.11 will receive bugfix updates approximately every 2 months for
approximately 18 months. Some time after the release of 3.12.0 final,
the ninth and final 3.11 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 3.11.0 final, so until approximately October
2027.

Features for 3.11

Some of the notable features of Python 3.11 include:

-   PEP 654, Exception Groups and except*.
-   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
    measured a 1.25x speedup on the standard benchmark suite. See Faster
    CPython for details.

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.