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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 …

  • Python 2.2.2

    Python 2.2.2 Python 2.2.2 Note: See Python 2.2.3 for a patch release which supersedes 2.2.2. 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 from the security advisory page. We are pleased to announce the release...

  • Python 2.4.1 - Bugs

    Python 2.4.1 - Bugs The Windows installer package required VBScripts. On systems which do not have VBScript available, installer will report an error 2738. On systems which have VBScript available, but in an insufficiently old version, installer will report an error 2262 (and log a DEBUG error 2896). In either case, please install Microsoft Windows Script from http://msdn.microsoft.com/downloads/list/webdev.asp The Windows installer will not add correct IDLE and PyDoc entries when the Python...

  • Bugs in Python 2.4.2

    Bugs in Python 2.4.2 The Windows installer package required VBScripts. On systems which do not have VBScript available, installer will report an error 2738. On systems which have VBScript available, but in an insufficiently old version, installer will report an error 2262 (and log a DEBUG error 2896). In either case, please install Microsoft Windows Script from http://msdn.microsoft.com/downloads/list/webdev.asp The Windows installer will not add correct IDLE and PyDoc entries when the Pytho...

  • Bugs in Python 2.4.4

    ...versions field and that you're using 2.4.4 in the description. Note that you must have an account for the tracker and be logged in to submit a bug report or patch; we require this in case we need more information from you. You can create an account by clicking on "Register" from the tracker.

  • Bugs in Python 2.4.5

    ...versions field and that you're using 2.4.4 in the description. Note that you must have an account for the tracker and be logged in to submit a bug report or patch; we require this in case we need more information from you. You can create an account by clicking on "Register" from the tracker.

  • Bugs in Python 2.4.5

    ...versions field and that you're using 2.4.4 in the description. Note that you must have an account for the tracker and be logged in to submit a bug report or patch; we require this in case we need more information from you. You can create an account by clicking on "Register" from the tracker.

  • Highlights: Python 2.5

    Highlights: Python 2.5 Highlights: Python 2.5 Here are some of the (subjective) highlights of Python 2.5. More detail on almost all of the new features can be found in the document What's New In Python 2.5 More Reliable Python now uses the Buildbot tool for continuous testing on a wide range of platforms. This allows us to spot problems faster during development, and resulted in a much more robust release. Andrew Kuchling determined that there were over 350 patches and over 450 bugs fixed ...

  • Contributing to the PSF

    Contributing to the PSF NOTE: The easiest and fastest way to sign a Contributor Agreement with the Python Software Foundation is to do it while you are submitting your first change to a Python-owned repository on 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. ...

  • Frank Willison Memorial Award

    ...versions. Barry has worked for Canonical since 2007, focusing especially on Python support in the popular Ubuntu Linux distribution. Anna Martelli Ravenscroft (2013) Anna Martelli Ravenscroft received the Frank Willison Award for her book authorship, volunteer work at PyCon and OSCon, and public speaking. Anna has spoken repeatedly at both PyCons around the world, and at OSCon in previous years, about diversity and outreach efforts in the Python community and in open source communities more g...

  • PSF Trademark Frequently Asked Questions (FAQ)

    PSF Trademark Frequently Asked Questions (FAQ) python pycon pyladies trademark FAQ The main trademark policy is written with a legal mindset. These frequently asked questions page outlines a number of topics we regularly get asked and provides answers in easier to understand terms. It is managed by the PSF Trademark Working Group. Approval Process What is the official policy for use of Python Software Foundation Trademarks? The official PSF Trademark Usage Policy is available at https://www.py...

  • Release – Python 2.5.1

    Version: None

    Released: April 19, 2007

    Python 2.5.1 was released on April 18th, 2007. This is the first bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 150 bugs and patches have been squished since Python 2.5, including a …

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  • Release – Python 2.4.4

    Version: None

    Released: Oct. 18, 2006

    Python 2.4 is now in bugfix-only mode; no new features are being added. At least 80 bugs have been squished since Python 2.4.3, including a number of bugs and potential bugs found by with the Coverity and Klocwork static analysis tools. We'd like to offer our thanks to both …

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  • 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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  • Python 2.4.3 Release

    Python 2.4.3 Release Python 2.4.3 Python 2.4.3 has been replaced by a newer bugfix release of Python. Please see the releases page to select a more recent release. 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 We are pleased to announce the release of Python 2.4.3 (final), a bugfix release of Python 2.4, on March 29,...

  • Python 2.4.4 Release

    Python 2.4.4 Release Python 2.4.4 We are pleased to announce the release of Python 2.4.4 (FINAL), a bugfix release of Python 2.4, on October 18, 2006. Important: 2.4.4 includes a security fix (PSF-2006-001) for the repr() of unicode strings in wide unicode builds (UCS-4) Python 2.4 is now in bugfix-only mode; no new features are being added. At least 80 bugs have been squished since Python 2.4.3, including a number of bugs and potential bugs found by with the Coverity and Klocwork static an...

  • Python 2.5.1 Release

    Python 2.5.1 Release Python 2.5.1 Python 2.5.1 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. Python 2.5.1 was released on April 18th, 2007. This is the first bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 150 bugs and patches have been squished since Python 2.5, including a fair number in the new AST compiler (an internal implementation detail of the Pyth...

  • 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 3.10.0a6

    Version: None

    Released: March 1, 2021

    This is an early developer preview of Python 3.10 Major new features of the 3.10 series, compared to 3.9 Python 3.10 is still in development. This release, 3.10.0a6 is the sixth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current …

  • Release – Python 3.9.7

    Version: None

    Released: Aug. 30, 2021

    This is the seventh maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.7, 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. There's been …

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