Active Python releases

PEP 790 – Python 3.15 Release Schedule

Wed, 30 Sep 2026 16:00:00 GMT

PEP 790 – Python 3.15 Release Schedule

Author:: Hugo van Kemenade
Status:: Active
Type:: Informational
Topic:: Release
Created:: 26-Apr-2025
Python-Version:: 3.15

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.15.

Release manager and crew

3.15 release manager: Hugo van Kemenade
Windows installers: Steve Dower
Mac installers: Ned Deily
Documentation: Julien Palard

Release schedule

3.15.0 schedule

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:

3.15 development begins: Wednesday, 2025-05-07
3.15.0 alpha 1: Tuesday, 2025-10-14
3.15.0 alpha 2: Wednesday, 2025-11-19
3.15.0 alpha 3: Tuesday, 2025-12-16
3.15.0 alpha 4: Tuesday, 2026-01-13
3.15.0 alpha 5: Wednesday, 2026-01-14
3.15.0 alpha 6: Wednesday, 2026-02-11
3.15.0 alpha 7: Tuesday, 2026-03-10
3.15.0 alpha 8: Tuesday, 2026-04-07
3.15.0 beta 1: Thursday, 2026-05-07 (No new features beyond this point.)
3.15.0 beta 2: Tuesday, 2026-06-02
3.15.0 beta 3: Tuesday, 2026-06-23
3.15.0 beta 4: Saturday, 2026-07-18
3.15.0 candidate 1: Tuesday, 2026-08-04

Expected:

3.15.0 candidate 2: Tuesday, 2026-09-01
3.15.0 final: Thursday, 2026-10-01

Subsequent bugfix releases every two months.

3.15 lifespan

Python 3.15 will receive bugfix updates approximately every second month for two years.
Around the time of the release of 3.17.0 final, the final 3.15 bugfix update will be released.
After that, it is expected that security updates (source only) will be released for the next three years, until five years after the release of 3.15.0 final, so until approximately October 2031.

Copyright

This document is placed in the public domain or under the CC0-1.0-Universal license, whichever is more permissive.

PEP 745 – Python 3.14 Release Schedule

Mon, 06 Oct 2025 16:00:00 GMT

PEP 745 – Python 3.14 Release Schedule

Author:: Hugo van Kemenade
Status:: Active
Type:: Informational
Topic:: Release
Created:: 24-Apr-2024
Python-Version:: 3.14

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.14.

Release manager and crew

3.14 release manager: Hugo van Kemenade
Windows installers: Steve Dower
Mac installers: Ned Deily
Documentation: Julien Palard

Release schedule

3.14.0 schedule

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:

3.14 development begins: Wednesday, 2024-05-08
3.14.0 alpha 1: Tuesday, 2024-10-15
3.14.0 alpha 2: Tuesday, 2024-11-19
3.14.0 alpha 3: Tuesday, 2024-12-17
3.14.0 alpha 4: Tuesday, 2025-01-14
3.14.0 alpha 5: Tuesday, 2025-02-11
3.14.0 alpha 6: Friday, 2025-03-14
3.14.0 alpha 7: Tuesday, 2025-04-08
3.14.0 beta 1: Wednesday, 2025-05-07 (No new features beyond this point.)
3.14.0 beta 2: Monday, 2025-05-26
3.14.0 beta 3: Tuesday, 2025-06-17
3.14.0 beta 4: Tuesday, 2025-07-08
3.14.0 candidate 1: Tuesday, 2025-07-22
3.14.0 candidate 2: Thursday, 2025-08-14
3.14.0 candidate 3: Thursday, 2025-09-18
3.14.0 final: Tuesday, 2025-10-07

Bugfix releases

Actual:

3.14.1: Tuesday, 2025-12-02
3.14.2: Friday, 2025-12-05
3.14.3: Tuesday, 2026-02-03
3.14.4: Tuesday, 2026-04-07
3.14.5 candidate 1: Monday, 2026-05-04
3.14.5: Sunday, 2026-05-10
3.14.6: Wednesday, 2026-06-10
3.14.7: Wednesday, 2026-08-05

Expected:

3.14.8: Tuesday, 2026-10-06
3.14.9: Tuesday, 2026-12-01
3.14.10: Tuesday, 2027-02-02
3.14.11: Tuesday, 2027-04-06
3.14.12: Tuesday, 2027-06-01
3.14.13: Tuesday, 2027-08-03
3.14.14: Tuesday, 2027-10-05 (Final regular bugfix release with binary installers)

Source-only security fix releases

Provided irregularly on an as-needed basis until October 2030.

Python 3.14 will receive bugfix updates approximately every two months for approximately 24 months. Around the time of the release of 3.16.0 final, the final 3.14 bugfix update will be released. After that, it is expected that security updates (source only) will be released until five years after the release of 3.14.0 final, so until approximately October 2030.

Copyright

This document is placed in the public domain or under the CC0-1.0-Universal license, whichever is more permissive.

PEP 719 – Python 3.13 Release Schedule

Sun, 06 Oct 2024 16:00:00 GMT

PEP 719 – Python 3.13 Release Schedule

Author:: Thomas Wouters <thomas at python.org>
Status:: Active
Type:: Informational
Topic:: Release
Created:: 26-May-2023
Python-Version:: 3.13

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.13.

Release Manager and Crew

3.13 Release Manager: Thomas Wouters
Windows installers: Steve Dower
Mac installers: Ned Deily
Documentation: Julien Palard

Release Schedule

3.13.0 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:

3.13 development begins: Monday, 2023-05-22
3.13.0 alpha 1: Friday, 2023-10-13
3.13.0 alpha 2: Wednesday, 2023-11-22
3.13.0 alpha 3: Wednesday, 2024-01-17
3.13.0 alpha 4: Thursday, 2024-02-15
3.13.0 alpha 5: Tuesday, 2024-03-12
3.13.0 alpha 6: Tuesday, 2024-04-09
3.13.0 beta 1: Wednesday, 2024-05-08 (No new features beyond this point.)
3.13.0 beta 2: Wednesday, 2024-06-05
3.13.0 beta 3: Thursday, 2024-06-27
3.13.0 beta 4: Thursday, 2024-07-18
3.13.0 candidate 1: Thursday, 2024-08-01
3.13.0 candidate 2: Friday, 2024-09-06
3.13.0 candidate 3: Tuesday, 2024-10-01
3.13.0 final: Monday, 2024-10-07

Bugfix releases

Actual:

3.13.1: Tuesday, 2024-12-03
3.13.2: Tuesday, 2025-02-04
3.13.3: Tuesday, 2025-04-08
3.13.4: Tuesday, 2025-06-03
3.13.5: Wednesday, 2025-06-11 (hotfix)
3.13.6: Wednesday, 2025-08-06
3.13.7: Thursday, 2025-08-14
3.13.8: Tuesday, 2025-10-07
3.13.9: Tuesday, 2025-10-14
3.13.10: Tuesday, 2025-12-02
3.13.11: Friday, 2025-12-05
3.13.12: Tuesday, 2026-02-03
3.13.13: Tuesday, 2026-04-07
3.13.14: Wednesday, 2026-06-10
3.13.15: Wednesday, 2026-08-05

Expected:

3.13.16: Tuesday, 2026-10-06 (Final regular bugfix release with binary installers)

Source-only security fix releases

Provided irregularly on an as-needed basis until October 2029.

3.13 Lifespan

3.13 will receive bugfix updates approximately every 2 months for approximately 24 months. Around the time of the release of 3.15.0 final, the final 3.13 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 3.13.0 final, so until approximately October 2029.

Copyright

This document is placed in the public domain or under the CC0-1.0-Universal license, whichever is more permissive.

PEP 693 – Python 3.12 Release Schedule

Sun, 01 Oct 2023 16:00:00 GMT

PEP 693 – Python 3.12 Release Schedule

Author:: Thomas Wouters <thomas at python.org>
Status:: Active
Type:: Informational
Topic:: Release
Created:: 24-May-2022
Python-Version:: 3.12

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.12.

Release Manager and Crew

3.12 Release Manager: Thomas Wouters
Windows installers: Steve Dower
Mac installers: Ned Deily
Documentation: Julien Palard

Release Schedule

3.12.0 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:

3.12 development begins: Sunday, 2022-05-08
3.12.0 alpha 1: Monday, 2022-10-24
3.12.0 alpha 2: Monday, 2022-11-14
3.12.0 alpha 3: Tuesday, 2022-12-06
3.12.0 alpha 4: Tuesday, 2023-01-10
3.12.0 alpha 5: Tuesday, 2023-02-07
3.12.0 alpha 6: Tuesday, 2023-03-07
3.12.0 alpha 7: Tuesday, 2023-04-04
3.12.0 beta 1: Monday, 2023-05-22 (No new features beyond this point.)
3.12.0 beta 2: Tuesday, 2023-06-06
3.12.0 beta 3: Monday, 2023-06-19
3.12.0 beta 4: Tuesday, 2023-07-11
3.12.0 candidate 1: Sunday, 2023-08-06
3.12.0 candidate 2: Wednesday, 2023-09-06
3.12.0 candidate 3: Tuesday, 2023-09-19
3.12.0 final: Monday, 2023-10-02

Bugfix releases

Actual:

3.12.1: Thursday, 2023-12-07
3.12.2: Tuesday, 2024-02-06
3.12.3: Tuesday, 2024-04-09
3.12.4: Thursday, 2024-06-06
3.12.5: Tuesday, 2024-08-06
3.12.6: Friday, 2024-09-06
3.12.7: Tuesday, 2024-10-01
3.12.8: Tuesday, 2024-12-03
3.12.9: Tuesday, 2025-02-04
3.12.10: Tuesday, 2025-04-08 (Final regular bugfix release with binary installers)

Source-only security fix releases

Provided irregularly on an as-needed basis until October 2028.

3.12.11: Tuesday, 2025-06-03
3.12.12: Thursday, 2025-10-09
3.12.13: Tuesday, 2026-03-03

3.12 Lifespan

3.12 received bugfix updates approximately every 2 months for approximately 18 months. Some time after the release of 3.13.0 final, the tenth and final 3.12 bugfix update was released. After that, it is expected that security updates (source only) will be released until 5 years after the release of 3.12.0 final, so until approximately October 2028.

Features for 3.12

New features can be found in What’s New In Python 3.12.

Copyright

This document is placed in the public domain or under the CC0-1.0-Universal license, whichever is more permissive.

PEP 664 – Python 3.11 Release Schedule

Sun, 23 Oct 2022 16:00:00 GMT

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 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
3.11.11: 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
3.11.15: Tuesday, 2026-03-03

3.11 Lifespan

3.11 received 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 was 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.

PEP 619 – Python 3.10 Release Schedule

Sun, 03 Oct 2021 16:00:00 GMT

PEP 619 – Python 3.10 Release Schedule

Author:: Pablo Galindo Salgado <pablogsal at python.org>
Status:: Active
Type:: Informational
Topic:: Release
Created:: 25-May-2020
Python-Version:: 3.10

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.10. The schedule primarily concerns itself with PEP-sized items.

Release Manager and Crew

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

Release Schedule

3.10.0 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:

3.10 development begins: Monday, 2020-05-18
3.10.0 alpha 1: Monday, 2020-10-05
3.10.0 alpha 2: Tuesday, 2020-11-03
3.10.0 alpha 3: Monday, 2020-12-07
3.10.0 alpha 4: Monday, 2021-01-04
3.10.0 alpha 5: Wednesday, 2021-02-03
3.10.0 alpha 6: Monday, 2021-03-01
3.10.0 alpha 7: Tuesday, 2021-04-06
3.10.0 beta 1: Monday, 2021-05-03 (No new features beyond this point.)
3.10.0 beta 2: Monday, 2021-05-31
3.10.0 beta 3: Thursday, 2021-06-17
3.10.0 beta 4: Saturday, 2021-07-10
3.10.0 candidate 1: Tuesday, 2021-08-03
3.10.0 candidate 2: Tuesday, 2021-09-07
3.10.0 final: Monday, 2021-10-04

Bugfix releases

Actual:

3.10.1: Monday, 2021-12-06
3.10.2: Friday, 2022-01-14
3.10.3: Wednesday, 2022-03-16
3.10.4: Thursday, 2022-03-24
3.10.5: Monday, 2022-06-06
3.10.6: Tuesday, 2022-08-02
3.10.7: Tuesday, 2022-09-06
3.10.8: Tuesday, 2022-10-11
3.10.9: Tuesday, 2022-12-06
3.10.10: Wednesday, 2023-02-08
3.10.11: Wednesday, 2023-04-05 (Final regular bugfix release with binary installers)

Source-only security fix releases

Provided irregularly on an “as-needed” basis until October 2026.

3.10.12: Tuesday, 2023-06-06
3.10.13: Thursday, 2023-08-24
3.10.14: Tuesday, 2024-03-19
3.10.15: Saturday, 2024-09-07
3.10.16: Tuesday, 2024-12-03
3.10.17: Tuesday, 2025-04-08
3.10.18: Tuesday, 2025-06-03
3.10.19: Thursday, 2025-10-09
3.10.20: Tuesday, 2026-03-03

3.10 Lifespan

3.10 received bugfix updates approximately every 2 months for approximately 18 months. Some time after the release of 3.11.0 final, the 11th and final 3.10 bugfix update was released. After that, it is expected that security updates (source only) will be released until 5 years after the release of 3.10 final, so until approximately October 2026.

Features for 3.10

Some of the notable features of Python 3.10 include:

PEP 604, Allow writing union types as X | Y
PEP 612, Parameter Specification Variables
PEP 613, Explicit Type Aliases
PEP 618, Add Optional Length-Checking To zip
PEP 626, Precise line numbers for debugging and other tools
PEP 634, PEP 635, PEP 636, Structural Pattern Matching
PEP 644, Require OpenSSL 1.1.1 or newer
PEP 624, Remove Py_UNICODE encoder APIs
PEP 597, Add optional EncodingWarning

Copyright

This document has been placed in the public domain.

PEP 596 – Python 3.9 Release Schedule

Sun, 04 Oct 2020 16:00:00 GMT

PEP 596 – Python 3.9 Release Schedule

Author:: Łukasz Langa <lukasz at python.org>
Discussions-To:: Discourse thread
Status:: Final
Type:: Informational
Topic:: Release
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 by PEP 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 final: Friday, 2021-04-02 (security hotfix; recalled due to bpo-43710)
3.9.4 final: Sunday, 2021-04-04 (ABI compatibility hotfix)
3.9.5 final: Monday, 2021-05-03
3.9.6 final: Monday, 2021-06-28
3.9.7 final: Monday, 2021-08-30
3.9.8 final: Friday, 2021-11-05 (recalled due to bpo-45235)
3.9.9 final: Monday, 2021-11-15
3.9.10 final: Friday, 2022-01-14
3.9.11 final: Wednesday, 2022-03-16
3.9.12 final: Wednesday, 2022-03-23
3.9.13 final: 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 final: Tuesday, 2022-09-06
3.9.15 final: Tuesday, 2022-10-11
3.9.16 final: Tuesday, 2022-12-06
3.9.17 final: Tuesday, 2023-06-06
3.9.18 final: Thursday, 2023-08-24
3.9.19 final: Tuesday, 2024-03-19
3.9.20 final: Friday, 2024-09-06
3.9.21 final: Tuesday, 2024-12-03
3.9.22 final: Tuesday, 2025-04-08
3.9.23 final: Tuesday, 2025-06-03
3.9.24 final: Thursday, 2025-10-09
3.9.25 final: Friday, 2025-10-31

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, security updates (source only) were released until October 31st 2025, that is 5 years after the release of 3.9 final.

As of 2025-10-31, 3.9 has reached the end-of-life phase of its release cycle. 3.9.25 was the final security release. The codebase for 3.9 is now frozen and no further updates will be provided nor issues of any kind will be accepted on the bug tracker.

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.