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  • PSF Community Partner Program

    PSF Community Partner Program PSF Community Partner Program PSF Community Partner Program The Python Software Foundation (PSF) is pleased to invite regional PyCons, Python workshops, Meetups, organizations, and other Python-related initiatives to apply to become Community Partners. This is a non-monetary partnership offered to qualifying applicants to help support their events and initiatives throug...

  • Release – Python 3.7.0a1

    Version: None

    Released: Sept. 19, 2017

    This is an early developer preview of Python 3.7 Major new features of the 3.7 series, compared to 3.6 Python 3.7 is still in development. This releasee, 3.7.0a1 is the first of four planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • 2013-01-16 PSF Board Meeting Minutes

    2013-01-16 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors January 16, 2013 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 16 2013. Van Lindberg presided over the meeting. Ewa Jodlowska prepared the minutes. All votes are reported in the form "Y-N-A" (in favor-Y...

  • Release – Python 3.9.2

    Version: None

    Released: Feb. 19, 2021

    This is the second maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.2, 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. We've made …

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  • Python Patterns - An Optimization Anecdote

    Python Patterns - An Optimization Anecdote Warning This page stays here for historical reasons and it may contain outdated or incorrect information. The other day, a friend asked me a seemingly simple question: what's the best way to convert a list of integers into a string, presuming that the integers are ASCII values. For instance, the list [97, 98, 99] should be converted to the string 'abc'. Let's assume we want to write a function to do this. The first version I came ...

  • Bugs in Python 2.4.4

    Bugs in Python 2.4.4 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Bugs in Python 2.4.5

    Bugs in Python 2.4.5 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Bugs in Python 2.4.5

    Bugs in Python 2.4.5 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Release – Python 3.8.0b1

    Version: None

    Released: June 4, 2019

    This is a beta preview of Python 3.8 Python 3.8 is still in development. This release, 3.8.0b1 is the first 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 …

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  • Release – Python 3.8.0b2

    Version: None

    Released: July 4, 2019

    This is a beta preview of Python 3.8 Python 3.8 is still in development. This release, 3.8.0b2 is the second 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 …

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  • Release – Python 3.8.0b3

    Version: None

    Released: July 29, 2019

    This is a beta preview of Python 3.8 Python 3.8 is still in development. This release, 3.8.0b3 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 …

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  • Python Developer's Guide

    Python Developer's Guide Python's Developer Guide can be found at https://devguide.python.org. The pieces of documentation hosted here are: PEPs (Python Enhancement Proposals) Buildbots Python.org maintenance and administration

  • Release – Python 3.5.10

    Version: None

    Released: Sept. 5, 2020

    Python 3.5.10 Python 3.5 has reached end-of-life. Python 3.5.10 is the final release of 3.5. Python 3.5.10 was released on September 5th, 2020. Python 3.5.10 is the final release in the Python 3.5 series. As of this release, the 3.5 branch has been retired, no further …

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  • Release – Python 3.10.2

    Version: None

    Released: Jan. 14, 2022

    This is the second maintenance release of Python 3.10 Python 3.10.2 is the newest major release of the Python programming language, and it contains many new features and optimizations. This is a special bugfix release ahead of schedule to address a memory leak that was happening on …

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  • Release – Python 3.10.11

    Version: None

    Released: April 5, 2023

    This is the eleventh maintenance release of Python 3.10 Python 3.10.10 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.10 series, compared to 3.9 Among the new major new features and …

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  • Release – Python 3.9.22

    Version: None

    Released: April 8, 2025

    This is a security release of Python 3.9 Note: The release you're looking at is Python 3.9.22, a security bugfix release for the legacy 3.9 series. Python 3.13 is now the latest feature release series of Python 3. Get the latest release of 3.13.x here. Security content …

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  • Python Software Foundation Sponsors

    Python Software Foundation Sponsors The PSF would not be possible without the generous financial help of the following sponsors. While the PSF thanks these sponsors for their support, we don't necessarily endorse nor promote any specific activity of any of its sponsors. Interested in becoming a sponsor? Check out our sponsor application. Visionary Sponsors Googl...

  • Release – Python 3.10.3

    Version: None

    Released: March 16, 2022

    This is the third maintenance release of Python 3.10 Python 3.10.3 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.10 series, compared to 3.9 Among the new major new features and …

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  • Release – Python 3.9.5

    Version: None

    Released: May 3, 2021

    This is the fifth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.5, 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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  • Donation Drive

    Donation Drive ThePSF, Python Software Foundation, Python, PSF Invest in our Foundation and better the Python community! Thanks to everyone who helped us exceed our goal of $20,000.00 USD by May 12th! .crm-contribute-widget { font-size:12px; font-family:Helvetica, Arial, sans; padding:6px; -moz-border-radius: 4px; -webkit-border-radius: 4px; -khtml-border-radius: 4px; border-radius: 4px; bor...

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