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  • Release – Python 3.13.0

    Version: None

    Released: Oct. 7, 2024

    This is the stable release of Python 3.13.0 Python 3.13.0 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. (Compared to the last release candidate, 3.13.0rc3, 3.13.0 contains two small bug fixes and some documentation and testing …

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  • Release – Python 3.13.2

    Version: None

    Released: Feb. 4, 2025

    This is the second 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. 3.13.2 is the latest maintenance release, containing almost 250 bugfixes, build improvements and documentation changes since 3.13.1. …

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  • Release – Python 3.14.0a5

    Version: None

    Released: Feb. 11, 2025

    Here comes the antepenultimate 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, 3.14.0a5, is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to …

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  • Release – Python 3.13.3

    Version: None

    Released: April 8, 2025

    This is the third 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. 3.13.3 is the latest maintenance release, containing almost 320 bugfixes, build improvements and documentation changes since 3.13.2. …

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  • Release – Python 3.13.6

    Version: None

    Released: Aug. 6, 2025

    This is the sixth 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. 3.13.6 is the sixth maintenance release of 3.13, containing around 200 bugfixes, build improvements and documentation changes …

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  • Release – Python 3.13.8

    Version: None

    Released: Oct. 7, 2025

    This is the eighth maintenance release of Python 3.13 Python 3.13 is the newest previous major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.8 is the eighth maintenance release of 3.13, containing around 200 bugfixes, build improvements and documentation …

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  • Python Software Foundation: Press Release 13-Feb-2003

    Python Software Foundation: Press Release 13-Feb-2003 Creators of Python Sponsor PyCon 2003, First Annual Developers Conference in March FREDERICKSBURG, VA, February 13, 2003 No, it's not a snake or the name of a British comedy group. Python is one of the most useful, compelling and intelligently designed programming platforms to have emerged into the computer industry mainstream in recent years. It is rapidly gaining wide acceptance and being deployed in major IT shops around the wor...

  • Python Software Foundation: Press Release 9-Feb-2004

    Python Software Foundation: Press Release 9-Feb-2004 February 9, 2004 Press Release SOURCE: Python Software Foundation PyCon 2004 - Second Annual Python Developers Conference Keynote Speech by Mitchell Kapor, founder of Lotus FREDERICKSBURG, Va., February 9, 2004 -- PyCon 2004, the second annual Python developers conference, will be held at George Washington University's Cafritz Conference Center in Washington DC on March 24-26, 2004. Mitchell Kapor, founder of Lotus Development Co...

  • Release – Python 3.7.0a3

    Version: None

    Released: Dec. 5, 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, 3.7.0a3, is the third of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • Towards a Standard Parser Generator

    Towards a Standard Parser Generator Towards a Standard Parser Generator Martin v. Löwis Humboldt-Universität zu Berlin Institut für Informatik loewis@informatik.hu-berlin.de Abstract Developing parsers for "little" languages is a common task for many software developers. People have frequently requested inclusion of a specific parser generator framework into the Python library. In this paper, we compare several Python parser generators, using the XPath langua...

  • 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 a couple …

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  • Release – Python 3.13.7

    Version: None

    Released: Aug. 14, 2025

    This is the seventh 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. 3.13.7 is the seventh maintenance release of 3.13. 3.13.7 is an expedited release to fix a significant …

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  • Python Success Stories

    Python Success Stories Background Industrial Light & Magic (ILM) was started in 1975 by filmmaker George Lucas, in order to create the special effects for the original Star Wars film. Since then, ILM has grown into a visual effects powerhouse that has contributed not just to the entire Star Wars series, but also to films as diverse as Forrest Gump, Jurassic Park, Who Framed Roger Rabbit, Raiders of the Lost Ark, and Terminator 2. ILM has won numerous Academy Awards for Best Visual Effects...

  • 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 ...

  • Release – Python 3.7.0a4

    Version: None

    Released: Jan. 9, 2018

    This is an early developer preview of Python 3.7 Python 3.7 is still in development. This releasee, 3.7.0a4, is the last of four planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release …

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  • Notes

    ...c=1,2,3". Improves their speed by 25% to 30%. Limit the nested depth of a tuple for the second argument to isinstance() and issubclass() to the recursion limit of the interpreter. Fixes bug #858016 . Optimized dict iterators, creating separate types for each and having them reveal their length. Also optimized the methods: keys(), values(), and items(). Implemented a newcode opcode, LIST_APPEND, that simplifies the generated bytecode for list comprehensions and further improves their per...

  • Python 2.4.1 - Release Notes

    ...c=1,2,3". Improves their speed by 25% to 30%. Limit the nested depth of a tuple for the second argument to isinstance() and issubclass() to the recursion limit of the interpreter. Fixes bug #858016 . Optimized dict iterators, creating separate types for each and having them reveal their length. Also optimized the methods: keys(), values(), and items(). Implemented a newcode opcode, LIST_APPEND, that simplifies the generated bytecode for list comprehensions and further improves their per...

  • Python Software Foundation: Missing 1023 form

    Python Software Foundation: Missing 1023 form The text of the letter from the IRS is below. You can also view a scanned image of the letter (118KB PNG; 1.1MB TIFF). Internal Revenue Service Date: May 6, 2004 Python Software Foundation c/o Zone Corporation 513 Prince Edward ST Fredericksberg, VA 22401-5742 Department of the Treasury P. 0. Box 2508 Cincinnati. OH 45201 Person to Contact: Ms. Dalton 31-07967 Customer Service Representative Toll Free Tel...

  • Release – Python 3.13.4

    Version: None

    Released: June 3, 2025

    This is the fourth 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. 3.13.4 is the latest maintenance release, containing a few important security fixes as well as around 300 …

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  • Python Success Stories

    Python Success Stories Introduction The GravityZoo Company, founded in late 2005 is a pioneering innovator of Software as a Service (SaaS) enabling technology, Ubiquitous Computing and Ambient Intelligence Systems. The core technology of the Company is its framework. This GravityZoo Framework is designed to develop and host any kind of application while simultaneously making these applications available at anytime, anyplace. The latter on any type of client device, be it a PC, a mobile client...

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