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  • 2024 PSF Annual Impact Report

    2024 PSF Annual Impact Report The Python Software Foundation 2024 Annual Impact Report In 2024, the Python community and language continued to grow! The PSF celebrated a year of remarkable growth, with Python becoming the most popular language on GitHub and worldwide community engagement at an all-time high. We expanded our impact by welcoming our inaugural PyPI Support Specialist, Maria Ashna, the revival of the User Success and Education and Outreach Workgroups, and continued investme...

  • Release – Python 3.8.0a1

    Version: None

    Released: Feb. 3, 2019

    This is an early developer preview of Python 3.8 Major new features of the 3.8 series, compared to 3.7 Python 3.8 is still in development. This releasee, 3.8.0a1 is the first of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • Release – Python 3.8.0a4

    Version: None

    Released: May 6, 2019

    This is an early developer preview of Python 3.8 Major new features of the 3.8 series, compared to 3.7 Python 3.8 is still in development. This release, 3.8.0a4 is the last of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • Release – Python 2.7.15

    Version: None

    Released: May 1, 2018

    Python 2.7.15 is a bugfix release in the Python 2.7 series. Note Attention macOS users: as of 2.7.15, all python.org macOS installers ship with a builtin copy of OpenSSL. Additionally, there is a new additional installer variant for macOS 10.9+ that includes a built-in version of Tcl/Tk 8.6. See the …

  • Release – Python 3.10.0a5

    Version: None

    Released: Feb. 2, 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, 3.10.0a5 is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • 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 test the current …

  • 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 current state of …

  • 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 mainly intended for signing Contributor Agreements on behalf of organizations. The Contributor Agreement form hosted here is manually reviewed which takes time to...

  • Mission

    Mission The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. You can help fund the PSF by making a donation or becoming a member. The following is the official mission statement of the PSF: The Python Software Foundation (PSF) is a non-profit membership organization devoted to advancing open source technology related to the Py...

  • 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 Distutils-SIG: Documentation

    Python Distutils-SIG: Documentation Python Distutils-SIG: Documentation User Documents Two documents have been written to cover the Distutils, and are part of Python's standard documentation set: Installing Python Modules This is for end-users, system administrators, and Python programmers who need to install third-party modules to their existing Python installation. It focusses on using the Distutils, b...

  • Python Software Foundation: Minutes of Board of Directors Meeting (March 26, 2004)

    Python Software Foundation: Minutes of Board of Directors Meeting (March 26, 2004) The Python Software Foundation Minutes of Special Meeting of the Board of Directors Draft March 26, 2004 A special meeting of the Python Software Foundation (the "PSF") Board of Directors (the "Board") was held during PyCon, at the George Washington University Cafritz Center, at noon. Jeremy Hylton, secretary of the PSF, presided. 1. Attendance This was the first meeting of the Board with the newly elec...

  • Python Success Stories

    Python Success Stories Introduction Gusto.com began as an online travel site under the domain name EZTrip.com which catered to the traveler looking to make online flight, hotel and car reservations. As our customer base grew we started seeing a need to allow our customers to report on their journeys in the form of travel reviews, blogs, sharing photos and other post trip needs. While we've continued to develop and improve our online booking engines and related systems that communicate with...

  • Release – Python 3.14.0b1

    Version: None

    Released: May 7, 2025

    Only one day late, welcome to the first beta! This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b1, is the first of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features …

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  • Debugging Reference Count Problems

    Debugging Reference Count Problems Warning This page stays here for historical reasons and it may contain outdated or incorrect information. Debugging Reference Count Problems From: Guido van Rossum <guido@CNRI.Reston.VA.US> To: python-list@cwi.nl Date: Wed, 27 May 1998 11:09:40 -0400 Mike Fletcher wrote a number of posts about debugging C code that bombs, probably because of reference count problems. His approach to debugging this problem seems typical, but I thin...

  • 2014-01-20 PSF Board Meeting Minutes

    2014-01-20 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors January 20, 2014 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Group Conference Call via phone and Internet Relay Chat beginning at 18:00 CET/ 12:00 EST, on January 20, 2014. Van Lindberg presided over the meeting. Ewa Jodlowska prepared the minutes. All votes are reported in the form "Y-N-A" (in favor-...

  • Diversity

    Diversity Diversity Statement The Python Software Foundation and the global Python community welcome and encourage participation by everyone. Our community is based on mutual respect, tolerance, and encouragement, and we are working to help each other live up to these principles. We want our community to be more diverse: whoever you are, and whatever your background, we welcome you. Diversity Appendix We have created this diversity statement because we believe that a diverse Python communit...

  • Release – Python 2.3.5

    Version: None

    Released: Feb. 8, 2005

    Python 2.3.5 (final) on Feb 8th, 2005. This is a bug-fix release for Python 2.3. There have been around 50 bugs fixed since 2.3.4 - in the Python interpreter, the standard library and also in the build process - see the release notes for details. Important: This release is vulnerable …

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  • Release – Python 2.3.0

    Version: None

    Released: July 29, 2003

    This is a patch release which supersedes earlier releases of 2.3. 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 …

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