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  • Release – Python 3.4.9

    Version: None

    Released: Aug. 2, 2018

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.9 was released on August 2nd, 2018. Python 3.4 has now entered "security fixes only" mode, and as such the only changes since Python 3.4.7 are security fixes. Also, …

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  • Release – Python 3.4.10rc1

    Version: None

    Released: March 4, 2019

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.10rc1 was released on March 4th, 2019. Python 3.4 has now entered "security fixes only" mode, and as such the only changes since Python 3.4.7 are security fixes. Also, …

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  • Python 3.5.2

    Python 3.5.2 Python 3.5.2 Note: Python 3.5.2 has been superseded by Python 3.5.6. Python 3.5.2 was released on June 26th, 2016. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series are PEP 441, improved Python zip application support PEP 448, additional unpacking generalizations PEP 461, "%-formatting" for bytes and bytearray objects PEP 465, a new operator (@) for matrix multiplication PEP 471, os.scandir...

  • Python 3.5.1

    Python 3.5.1 Python 3.5.1 Note: Python 3.5.1 has been superseded by Python 3.5.6. Python 3.5.1 was released on December 6th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series are PEP 441, improved Python zip application support PEP 448, additional unpacking generalizations PEP 461, "%-formatting" for bytes and bytearray objects PEP 465, a new operator (@) for matrix multiplication PEP 471, os.scan...

  • Job - Junior Software Engineer

    Location: San Francisco, CA USA

    Software engineers at Mechanize create RL environments to sell to the leading AI labs. You might be a good fit if you are about to graduate university, or have 0-2 years of experience as a software engineer and can code in Python. No prior machine learning or AI experience …

  • 2008-11-10 PSF Board Meeting Minutes (Draft)

    2008-11-10 PSF Board Meeting Minutes (Draft) The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors November 10, 2008 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 17:00 UTC, 10 November 2008. Steve Holden presided at the meeting. David Goodger prepared these minutes. Contents 1   Attendance 2   Minutes of Past Meetings 3  &nbs...

  • Bugs in Python 2.4.3

    Bugs in Python 2.4.3 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...

  • Incompatibilities between Python 2.1[.x] and 2.2[.x]

    Incompatibilities between Python 2.1[.x] and 2.2[.x] <h3>Incompatibilities between Python 2.1[.x] and Python 2.2[.x]</h3> <p>The following visible differences between Python 2.2 and previous versions are intentional. <ul> <p><li>Not listed here are various deprecated modules and features that may issue warnings: the warnings shouldn't affect the correct execution of your program, and they can be disabled with a command line option or programmatically; see th...

  • Python Software Foundation: Minutes of Board of Directors Meeting (May 13, 2003)

    Python Software Foundation: Minutes of Board of Directors Meeting (May 13, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors May 13, 2003 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 17:05 GMT. Guido van Rossum, president of the Foundation and chairman of the Board, presided at the meeting. 1. Attendance The following members of the Board of Directors were present at the m...

  • Unifying types and classes in Python 2.2

    Unifying types and classes in Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2.1 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static metho...

  • Release – Python 3.13.5

    Version: None

    Released: June 11, 2025

    This is the fifth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.5 is the fifth maintenance release of 3.13. 3.13.5 is an expedited release to fix …

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  • Release – Python 3.13.9

    Version: None

    Released: Oct. 14, 2025

    This is the ninth maintenance release of Python 3.13 Note: This is Python 3.13.9, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. 3.13.9 is an expedited release containing a fix …

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  • Giving Tuesday Fundraiser

    Giving Tuesday Fundraiser #donate-cta { background: orange; border-radius: .5rem; padding: 1rem 1.5rem; color: white; margin-top: 1rem; margin-bottom: 1rem; font-weight: bold; font-size: 1.5rem; display: block; } Help us raise $10,000 USD on Giving Tuesday, December 3, 2019! Something new this year - Giving Tuesday! For the first time, the PSF is participating in Giving Tuesday! Giving Tuesday is held annually the Tuesday after Thanksgiving - this year...

  • Release – Python 3.8.14

    Version: None

    Released: Sept. 6, 2022

    This is a security release of Python 3.8 Note: The release you're looking at is Python 3.8.14, a security 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 here. Security content …

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  • 2011-08-15 PSF Board Meeting Minutes

    2011-08-15 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors August 15, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 15 August 2011. In Steve Holden's absence, David Mertz presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions...

  • Python Software Foundation: Minutes of Board of Directors Meeting (November 9, 2004)

    Python Software Foundation: Minutes of Board of Directors Meeting (November 9, 2004) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors November 9, 2004 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 18:00 GMT. Stephan Deibel presided at the meeting. 1. Attendance The following members of the Board of Directors were present at the meeting: Jeremy Hylton, Stephan Deibel, David Ascher...

  • Release – Python 3.7.14

    Version: None

    Released: Sept. 6, 2022

    Note: The release you are looking at is a security bugfix release for the legacy 3.7 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 3.7 was 3.7.17. Please …

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  • PSF Contributor Agreement for Jython

    PSF Contributor Agreement for Jython Contributor Agreement for Jython This Contributor Agreement is between Python Software Foundation (“PSF”) and the individual or other entity identified below (“the Contributor”): Contributor: __________________________________________ Address: __________________________________________ __________________________________________ Email: __________________________________________ Contributor offers to li...

  • Python Software Foundation: Minutes of Board of Directors Meeting (January 14, 2003)

    Python Software Foundation: Minutes of Board of Directors Meeting (January 14, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors January 14, 2003. A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 13:08 EST. Guido van Rossum, president of the Foundation and chairman of the Board, presided at the meeting. 1. Attendance The following members of the Board of Directors were present...

  • Release – Python 2.7.18

    Version: None

    Released: April 20, 2020

    Python 2.7.18 is the last release of Python 2.

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