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  • Release – Python 3.15.0a5

    Version: None

    Released: Jan. 14, 2026

    Note: 3.15.0a4 was accidentally built against main from 2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release correctly built against 2026-01-14. This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in …

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  • Release – Python 3.12.0a7

    Version: None

    Released: April 4, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a7 is the seventh and final alpha release of 3.12. Alpha releases are intended to make it easier to …

  • Release – Python 3.13.0a4

    Version: None

    Released: Feb. 15, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a4, is the fourth of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.15.0a6

    Version: None

    Released: Feb. 11, 2026

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a6, is the sixth of eight planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Contributing to the PSF

    ...GitHub. That's the recommended way as it is fully automated. The Contributor Agreement page you're looking at now is ONLY for signing Contributor Agreements on behalf of organizations. The Contributor Agreement form hosted here is manually reviewed which takes time to process. Contributor Agreements Procedures The PSF is now asking all past and future contributors to sign a Contributor Agreement. With these forms, contributors formally license their contribution to the PSF, under an o...

  • Release – Python 3.12.0b3

    Version: None

    Released: June 19, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b3, is the third of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

  • Release – Python 3.13.0a5

    Version: None

    Released: March 12, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a5, is the fifth of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.15.0a4

    Version: None

    Released: Jan. 13, 2026

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a4, is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

    View Release Notes

  • Job - GenAI & Python Specialist

    Location: Toronto, Ontario Canada

    Deloitte is seeking an experienced GenAI & Python Specialist to join our dynamic Operate team on a 1‑year fixed term employment basis. In this role, you will design, build, and scale Generative AI solutions using Python‑based frameworks, Large Language Models (LLMs), and advanced retrieval‑augmented generation (RAG) techniques. What will …

  • Release – Python 3.12.0a4

    Version: None

    Released: Jan. 10, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a4 is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test …

  • Release – Python 3.12.0b4

    Version: None

    Released: July 11, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b4, is the final of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

  • Release – Python 3.13.0a6

    Version: None

    Released: April 9, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a6, is the sixth and last planned alpha release. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.15.0a7

    Version: None

    Released: March 10, 2026

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a7, is the seventh of eight planned alpha releases. Alpha releases are intended to make it easier to test the …

    View Release Notes

  • Release – Python 3.15.0a8

    Version: None

    Released: April 7, 2026

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a8, is the final planned alpha release. Alpha releases are intended to make it easier to test the current state …

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  • Support Python in 2022!

    ...GitHub, and more. Welcome, Deb! Executive Director Deb Nicholson took the helm of the PSF, bringing with her a wealth of experience in Open Source and Python communities and nonprofit leadership. Investing in infrastructure - We doubled the size of our infrastructure team this year with the hire of Chloe Gerhardson as Infrastructure Engineer, joining Director of Infrastructure Ee Durbin. Their work makes sure the infrastructure behind Python. PyPI, and the PSF is stable and scales with the gr...

  • Release – Python 3.12.0b2

    Version: None

    Released: June 6, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b2 is the second of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

  • Release – Python 3.12.0a3

    Version: None

    Released: Dec. 6, 2022

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a3 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test …

  • Release – Python 3.12.0rc1

    Version: None

    Released: Aug. 6, 2023

    This is the first release candidate of Python 3.12.0 This release, 3.12.0rc1, is the penultimate release preview. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the final release. The second candidate (and the last planned …

  • Release – Python 3.12.0rc2

    Version: None

    Released: Sept. 6, 2023

    This is the second release candidate of Python 3.12.0 This release, 3.12.0rc2, is the last release preview for Python 3.12. There will be no ABI changes from this point forward in the 3.12 series. The intent is for the final release of 3.12.0, scheduled for Monday, 2023-10-02, …

  • Release – Python 3.12.0rc3

    Version: None

    Released: Sept. 19, 2023

    This is the third release candidate of Python 3.12.0 This release, 3.12.0rc3, is the absolutely last release preview for Python 3.12. There will be no ABI changes from this point forward in the 3.12 series. The intent is for the final release of 3.12.0, scheduled for Monday, …

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