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  • Release – Python 3.13.0rc1

    Version: None

    Released: Aug. 1, 2024

    This is the first release candidate of Python 3.13.0 This release, 3.13.0rc1, is the penultimate release preview. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the final release. The second candidate (and the last planned release …

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  • Release – Python 3.13.0rc2

    Version: None

    Released: Sept. 6, 2024

    This is the second release candidate of Python 3.13.0 This release, 3.13.0rc2, is the final release preview. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is scheduled for Tuesday, 2024-10-01. There will be no ABI changes …

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  • Release – Python 3.13.0rc3

    Version: None

    Released: Oct. 1, 2024

    This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. This …

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  • Support Python in 2023!

    Support Python in 2023! It's our annual year-end PSF fundraiser and membership drive. There are two ways to join in: Donate to the PSF! Every dollar makes a difference. (Does every dollar also make a puppy’s tail wag? We make no promises, but maybe you should try, just in case?) DONATE TODAY Become a Supporting member! When you sign up as a Supporting Member of the PSF, you become a part of the PSF and help us sustain what we do with your annual support. You can sign up as ...

  • Notes

    ...What's New in Python 2.4 final? Release date: 30-NOV-2004 Core and builtins Bug 875692: Improve signal handling, especially when using threads, by forcing an early re-execution of PyEval_EvalFrame() "periodic" code when things_to_do is not cleared by Py_MakePendingCalls(). What's New in Python 2.4 (release candidate 1) Release date: 18-NOV-2004 Core and builtins Bug 1061968: Fixes in 2.4a3 to address thread bug 1010677 reintroduced the years-old thread shutdown race bug 225673...

  • Python 2.0

    ...What's New in Python 2.0? For a comprehensive discussion of the differences between Python 2.0 and Python 1.5.2, please see the article What's New in Python 2.0 by A.M. Kuchling and Moshe Zadka. What's new in 2.0 (since release candidate 1)? Standard library The copy_reg module was modified to clarify its intended use: to register pickle support for extension types, not for classes. pickle() will raise a TypeError if it is passed a class. Fixed a bug in gettext's "no...

  • Release – Python 3.1.5

    Version: None

    Released: April 9, 2012

    Python 3.1.5 Python 3.1.5 is a security-fix source-only release for Python 3.1.4, fixing several reported security issues: issue 13703 (oCERT-2011-003, hash collision denial of service), issue 14234 (CVE-2012-0876, hash table collisions CPU usage DoS in the expat library), issue 14001 (CVE-2012-0845, SimpleXMLRPCServer denial of service), and issue 13885 (CVE-2011-3389, …

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  • Release – Python 3.9.0a1

    Version: None

    Released: Nov. 19, 2019

    This is an early developer preview of Python 3.9 Major new features of the 3.9 series, compared to 3.8 Python 3.9 is still in development. This releasee, 3.9.0a1 is the first of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Release – Python 3.9.0a4

    Version: None

    Released: Feb. 26, 2020

    This is an early developer preview of Python 3.9 Python 3.9 is still in development. This release, 3.9.0a4 is the fourth of six 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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  • Release – Python 3.7.8rc1

    Version: None

    Released: June 17, 2020

    Note Note: The release you are looking at is a bugfix release preview 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. Note …

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  • Release – Python 3.15.0a3

    Version: None

    Released: Dec. 16, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a3, is the third of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

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  • Python 2.6.7 Release

    ...What's New in Python 2.6. Report bugs at http://bugs.python.org. Read the Python license. PEP 361 set out the development schedule for 2.6. Help fund Python and its community by donating to the Python Software Foundation. Download This is a production release; we currently support these formats: Gzipped source tar ball (2.6.7) (sig) Bzipped source tar ball (2.6.7) (sig) MD5 checksums and sizes of the released files: af474f85a3af69ea50438a2a48039d7d 13322372 Python-2.6.7.tgz d40ef58ed8...

  • Python 3.1.5 Release

    ...What's New in Python 3.1. Report bugs at http://bugs.python.org. Read the Python license. Help fund Python and its community by donating to the Python Software Foundation. Download This is a production release. we currently support these formats: Gzipped source tar ball (3.1.5) (sig) XZ compressed source tar ball (3.1.5) (sig) Bzipped source tar ball (3.1.5) (sig) MD5 checksums and sizes of the released files: 02196d3fc7bc76bdda68aa36b0dd16ab 11798798 Python-3.1.5.tgz dc8a7a96c12880d2...

  • Python Software Foundation: Press Release 8-Apr-2002

    ...what we need. Python has met or exceeded every requirement we've had," said Steve Waterbury, Software Group Leader, NASA STEP Testbed. Python significantly increases programmer productivity over languages such as C, C++, Java, and Visual Basic. The language's global user base is estimated in the hundreds of thousands and is growing rapidly. Key features of Python include: Object orientation, modular name spaces, exceptions, and multi-threading High-level dynamic data typing and v...

  • Python Software Foundation: Minutes of Board of Directors Meeting (June 14, 2005)

    ...what date was currently being planned; Kuchling answered that the <REDACTED> university site requires the date to be the week of March 26 (spring break). The Dallas proposal offers a variety of dates, all in February, and the Chicago group has not provided any concrete details. Hylton noted that one person found it difficult to get a direct flight from California to Dallas; Kuchling checked Yahoo! Travel and found a few such flights. 7. Adjournment. The meeting was then adjourned.

  • What's new in Python 2.3

    What's new in Python 2.3 What's new in Python 2.3 Here are the (subjective) highlights of what's new in Python 2.3. Faster According to a couple of simple benchmark, Python 2.3 is about 20-30% faster than Python 2.2.3. Some of this speed-up was obtained by removing the SET_LINENO opcodes, which means that the difference is less impressive when comparing "python -O"; the rest was various careful tune-ups. New Tools A brand new version of IDLE (from the IDLEfork project at S...

  • 2007-04-09 PSF Board Meeting Minutes

    ...what is needed? K. Kaiser replied that he needs a list of claimed expenses and proper copies of the receipts faxed or mailed to the PO box. 5   Assistants S. Deibel asked what needs to be done to get an Assistant Treasurer and an Assistant Secretary trained: My thought was to perhaps "advertise" the job and see who responds. I'm working on the theory that it's better to have overlap in the office. The current officer gets help, and the new one has more time to get ...

  • Release – Python 3.2.6rc1

    Version: None

    Released: Oct. 4, 2014

    This is a security-fix source-only release. The last binary release was 3.2.5. The list of fixed security related issues can be found in the NEWS file. New features of the 3.2 series, compared to 3.1 Python 3.2 is a continuation of the efforts to improve and stabilize the …

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  • Release – Python 3.7.9

    Version: None

    Released: Aug. 17, 2020

    Note: The release you are looking at is Python 3.7.9, the final bugfix/security release with binary installers 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 …

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  • Python 2.4.4 Documentation

    ...What's New in Python 2.4 (changes since previous major release) Tutorial (start here) Global Module Index (for quick access to all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python M...

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