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  • Software Bill-of-Materials Information

    ...release artifacts Software Bills-of-Material (SBOMs) Background Starting with the Python 3.12.2 release, CPython release artifacts include Software Bill-of-Materials (SBOM) documents. This page provides guidance on downloading and using Software Bill-of-Materials documents describing CPython release artifacts. Currently SBOM documents are only available for source code releases. What is a Software Bill-of-Materials (SBOM)? Software Bill-of-Materials documents are like a list of ingredients for a...

  • Release – Python 2.4.3

    Version: None

    Released: April 15, 2006

    We are pleased to announce the release of …

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  • Release – Python 2.4.1

    Version: None

    Released: March 30, 2005

    We are pleased to announce the release of Python 2.4.1 (final) on March 30, 2005. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix …

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  • Python 2.4.1

    ...release. Please see the releases page to select a more recent release. We are pleased to announce the release of Python 2.4.1 (final) on March 30, 2005. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 Note: there's a security fix for SimpleXMLRPCServer.py - this fix is included in 2.4.1 Python 2.4.1 is a bugfix release o...

  • Release – Python install manager 25.1 beta 1

    Version: None

    Released: Oct. 27, 2025

    The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 This is a beta release of the next update. Provide feedback at python/pymanager on GitHub. You should uninstall your existing Python install manager before installing …

  • Release – Python install manager 25.1 beta 2

    Version: None

    Released: Nov. 14, 2025

    The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 This is a beta release of the next update. Provide feedback at python/pymanager on GitHub. You should uninstall your existing Python install manager before installing …

  • Release – Python 3.5.4rc1

    Version: None

    Released: July 25, 2017

    Python 3.5.4rc1 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.4rc1 was released on July 25th, 2017. Python 3.5.4 will be the last "bugfixes" release of 3.5. After 3.5.4 final is released, 3.5 will enter "security fixes only" mode, and …

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  • Release – Python 3.7.5rc1

    Version: None

    Released: Oct. 2, 2019

    Python 3.7.5rc1 is the release candidate preview of the fifth maintenance release of Python 3.7. The Python 3.7 series is the latest major release of the Python language and contains many new features and optimizations. Note that 3.7.5rc1 is a release preview and thus its use is not recommended for …

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  • Release – Python 3.8.2rc1

    Version: None

    Released: Feb. 10, 2020

    This is the release candidate of Python 3.8.2, the second maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.2rc1, a bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x …

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  • Release – Python 3.9.0rc1

    Version: None

    Released: Aug. 11, 2020

    This is the first release candidate of Python 3.9 This release, 3.9.0rc1, 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 …

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  • Release – Python 3.10.0b3

    Version: None

    Released: June 17, 2021

    This is a beta preview of Python 3.10 Python 3.10 is still in development. 3.10.0b3 is the third of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support …

  • Release – Python 3.9.11

    Version: None

    Released: March 16, 2022

    This is the eleventh maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.11, a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Security content in this …

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  • Release – Python 3.13.0b1

    Version: None

    Released: May 8, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b1, is the first of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

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  • 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 the current state …

  • 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 current state of …

  • IDLE and tkinter with Tcl/Tk on macOS

    ...release of Tcl/Tk is installed on your machine. For recent Python installers for macOS downloadable from this website, here is a summary of current recommendations followed by more detailed information. Python Release Installer Variant macOS Release Recommended Tcl/Tk Alternate Tcl/Tk Not Recommended 3.10.0, 3.9.8 universal2 10.9+ built-in 8.6.11     3.9.8 Intel-only 10.9+ built-in 8.6.8     Tk On macOS There are currently three major variants of Tk in commo...

  • Python Software Foundation: Press Release 10-Apr-2002

    ...release of version 2.2.1 of the Python programming language and standard libraries. This release includes over 100 enhancements for users of version 2.2 of Python. "We're pleased to offer this release to the Python users community. As we move towards the next major release of Python, we remain committed to supporting users with incremental enhancements such as those found in this release," said Guido van Rossum, creator of Python and president of the Python Software Foundation. A...

  • Release – Python 2.7.0

    Version: None

    Released: July 3, 2010

    Note: A bugfix release, 2.7.13, is currently available. Its use is recommended. Python 2.7.0 was released on July 3rd, 2010. Python 2.7 is scheduled to be the last major version in the 2.x series before it moves into an extended maintenance period. This release contains many of the features …

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  • Release – Python 3.4.5rc1

    Version: None

    Released: June 13, 2016

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.5rc1 was released on June 12th, 2016. Python 3.4 has now entered "security fixes only" mode, and as such the only improvements between Python 3.4.4 and Python 3.4.5rc1 are security fixes. Also, …

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  • Release – Python 3.6.2

    Version: None

    Released: July 17, 2017

    Note: The release you are looking at is Python 3.6.2, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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