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  • Python 3.1.5 Release

    Python 3.1.5 Release Python 3.1.5 Python 3.1.5 is a security-fix source-only release for Python 3.1.4, fixing several reported security issues: issue 13703 (oCERT-2011-003, hash collision denial of service), issue 14234 (CVE-2012-0876, hash table collisions CPU usage DoS in the expat library), issue 14001 (CVE-2012-0845, SimpleXMLRPCServer denial of service), and issue 13885 (CVE-2011-3389, disabling of the CBC IV attack countermeasure in the _ssl module). Python 3.1.5 was released on April...

  • 2021 end-of-the-year fundraiser!

    2021 end-of-the-year fundraiser! There are two ways to donate: JetBrains is supporting the PSF by providing a 30% discount on PyCharm and all proceeds will go to the PSF! You can take advantage of this discount by using promo code SUPPORTPYTHON21, You can donate directly to the PSF! Donate Today! Contributing to the PSF financially helps sustain programs that support the larger Python community. This year the PSF launched two critical initiatives thanks to Google's sponsorship and B...

  • Python Success Stories

    Python Success Stories Background MayaVi is an open source scientific data visualization tool written entirely in Python. I started work on MayaVi in 2000. At that time, a few colleagues of mine needed to visualize their computational fluid dynamics (CFD) data but the only suitable tools available were commercial, closed source programs that were prohibitively expensive. We looked at some open source tools as alternatives. OpenDX had just been released to the public and at that time was har...

  • Release – Python 2.4.0

    Version: None

    Released: Nov. 30, 2004

    We are pleased to announce the release of Python 2.4, final on November 30, 2004. This is a final, stable release, and we can recommend that Python users upgrade to this version. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun …

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  • Release – Python 3.14.5

    Version: None

    Released: May 10, 2026

    Python 3.14.5 final is the fifth maintenance release of 3.14, containing around 154 bugfixes, build improvements and documentation changes since 3.14.4. Garbage collector Notably, the garbage collector (GC) has changed in Python 3.14.5. The incremental garbage collector shipped in Python 3.14.0-3.14.4 has been reverted back to the …

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  • Python 2.4

    ...generator expressions, a number of new modules (including subprocess, decimal and cookielib) and a host of bug fixes and other improvements. See the (subjective) highlights or the detailed release notes for more, or consult Andrew Kuchling's What's New In Python for a detailed view of some of the new features of Python 2.4. Please see the separate bugs page for known issues and the bug reporting procedure. Download the release Starting with the Python 2.4 releases the Windows Python installer ...

  • Release – Python 2.2.2

    Version: None

    Released: Oct. 14, 2002

    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 and Python 2.5. If you need to remain with Python 2.2, there's a patch available …

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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 …

  • Documentation Special Interest Group

    Documentation Special Interest Group Documentation SIG Status This page is completely out of date. Follow the Doc-SIG mailing list for information on current activities. Emerging Products The Doc SIG members have produced some tools: Doug Hellmann has created HappyDoc, a tool for extracting documentation from Python source code. It differs from other such applications by the fact that it uses the parse tree for a module to...

  • Python 2.2.2

    ...generators by David Mertz on IBM developerWorks. Documentation The documentation has been updated too: Browse HTML on-line Download using HTTP. Files, MD5 checksums and sizes 9914cd4fc203008decf9ca7fb5aa1252 Python-2.2.2.exe (7282997 bytes) 1c1067396e5aa0299978486eb5bd1a5c Python-2.2.2.tgz (6669400 bytes)  

  • Python Software Foundation: Press Release 31-May-2003

    Python Software Foundation: Press Release 31-May-2003 May 31, 2003 Press Release SOURCE: Python Software Foundation PYTHON SOFTWARE FOUNDATION (PSF) ANNOUNCES PYTHON VERSION 2.2.3 New release enhances powerful programming language FREDERICKSBURG, Va., [May 31, 2003] -- The Python Software Foundation announces the release of version 2.2.3 of the Python programming language. This maintenance release introduces over 120 enhancements to the language and its extensive standard libraries...

  • Python Software Foundation: Press Release 23-Sep-2003

    Python Software Foundation: Press Release 23-Sep-2003 September 23, 2003 Press Release SOURCE: Python Software Foundation PYTHON SOFTWARE FOUNDATION (PSF) ANNOUNCES PYTHON VERSION 2.3.1 First maintenance release for the latest Python FREDERICKSBURG, Va., September 23, 2003 -- The Python Software Foundation (PSF) announces the release of version 2.3.1 of the Python programming language. This minor release introduces a number of enhancements based on two months of experience since re...

  • Python Software Foundation: Press Release 19-Dec-2003

    Python Software Foundation: Press Release 19-Dec-2003 PYTHON SOFTWARE FOUNDATION (PSF) ANNOUNCES PYTHON VERSION 2.3.3 Maintenance release for the Python programming language FREDERICKSBURG, Va., December 19, 2003 -- The Python Software Foundation (PSF) announces the release of version 2.3.3 of the Python programming language. This minor release provides fixes for a number of problems found in the previous version of Python, including several serious errors with weakrefs and the cyc...

  • Release – Python 3.14.5rc1

    Version: None

    Released: May 4, 2026

    Python 3.14.5rc1 is a release candidate for the fifth maintenance release of 3.14, containing around 113 bugfixes, build improvements and documentation changes since 3.14.4. Garbage collector Notably, the garbage collector (GC) has changed in Python 3.14.5rc1. The incremental garbage collector shipped in Python 3.14.0-3.14.4 has been reverted …

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  • Release – Python 2.6.9

    Version: None

    Released: Oct. 29, 2013

    With the 2.6.9 release, and five years after its first release, the Python 2.6 series is now officially retired. All official maintenance for Python 2.6, including security patches, has ended. For ongoing maintenance releases, please see the Python 2.7 series. The NEWS file lists every change in each alpha, …

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  • Release – Python 2.6.8

    Version: None

    Released: April 10, 2012

    Python 2.6 is now in security-fix-only mode; no new features are being added, and no new bug fix releases are planned. We intend to provide source-only security fixes for the Python 2.6 series until October 2013 (five years after the 2.6 final release). For ongoing maintenance releases, please see …

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  • Release – Python 2.2.1

    Version: None

    Released: April 10, 2002

    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 and Python 2.5. If you need to remain with Python 2.2, there's a patch available …

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  • Release – Python 3.6.9

    Version: None

    Released: July 2, 2019

    Note: The release you are looking at is Python 3.6.9, a security 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 …

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  • 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 3.14.0a6

    Version: None

    Released: March 14, 2025

    Here comes the penultimate alpha. This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a6, is the sixth of seven planned alpha releases. Alpha releases are intended to …

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