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  • Release – Python 3.11.14

    Version: None

    Released: Oct. 9, 2025

    This is a security release of Python 3.11 Note: The release you're looking at is Python 3.11.14, a security bugfix release for the legacy 3.11 series. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Security content in this …

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  • Release – Python 3.12.0

    Version: None

    Released: Oct. 2, 2023

    This is the stable release of Python 3.12.0 Python 3.12.0 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.12 series, compared to 3.11 New features More flexible f-string parsing, allowing many things previously disallowed …

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  • PyCon US and PSF Prospectus 2025-26

    PyCon US and PSF Prospectus 2025-26 PyCon US and Python Software Foundation Sponsorship Prospectus 2025-26 Download and review our sponsorship options today!

  • SIG on PSF SIGs and Mailing Lists

    SIG on PSF SIGs and Mailing Lists SIG on PSF SIGs and Mailing Lists This SIG exists in order to discuss creation of and policies for PSF Special Interest Groups, and the mailing lists to support them. SIG Creation Guidelines SIG Coordinator Info Subscribing to the maillist Archives

  • Objective-C SIG Status

    Objective-C SIG Status Objective-C SIG Status Lele Gaifax has recently posted a much improved module to provide Python bindings to the Objective-C runtime. Bill Bumgarner is archiving the latest releases, along with quad-fat binaries and other useful Objective-C/Python stuff. Bill's archive is available at ftp://ftp.thoughtport.net/pub/next/lang/

  • Release – Python 3.9.20

    Version: None

    Released: Sept. 6, 2024

    This is a security release of Python 3.9 Note: The release you're looking at is Python 3.9.20, a security bugfix release for the legacy 3.9 series. Python 3.12 is now the latest feature release series of Python 3. Get the latest release of 3.12.x here. Security content in this …

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  • Release – Python 3.8.20

    Version: None

    Released: Sept. 6, 2024

    This is a security release of Python 3.8 Note: The release you're looking at is Python 3.8.20, a security bugfix release for the legacy 3.8 series. Python 3.12 is now the latest feature release series of Python 3. Get the latest release of 3.12.x here. Security content in this …

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  • Release – Python 3.10.15

    Version: None

    Released: Sept. 7, 2024

    This is a security release of Python 3.10 Note: The release you're looking at is Python 3.10.15, a security bugfix release for the legacy 3.10 series. Python 3.12 is now the latest feature release series of Python 3. Get the latest release of 3.12.x here. Security content in this …

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  • Release – Python 3.11.10

    Version: None

    Released: Sept. 7, 2024

    This is a security release of Python 3.11 Note: The release you're looking at is Python 3.11.10, a security bugfix release for the legacy 3.11 series. Python 3.12 is now the latest feature release series of Python 3. Get the latest release of 3.12.x here. Security content in this …

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  • Image-SIG - Image Processing with Python SIG

    Image-SIG - Image Processing with Python SIG Image Processing with Python SIG This SIG provides an open forum for Python users interested in image handling and processing; anything from simply reading and writing image files to scientific image processing, geographical information systems, remote sensing, and more. Current SIG Status Subscription information Archives

  • Python Software Foundation: Donate via PayPal

    Python Software Foundation: Donate via PayPal If you are not automatically forwarded to PayPal, click here to donate.

  • PythonWin Special Interest Group

    PythonWin Special Interest Group PythonWin SIG This sig has been retired. New postings to the mailing list will be rejected, but the archives of the old list are still available for perusal. See the SIGs home page for info about active and inactive lists. Further information: Pipermail archives Findmail archives The old list mission statement

  • Python Locator Special Interest Group

    Python Locator Special Interest Group Python Locator SIG This sig has been retired. New postings to the mailing list will be rejected, but the archives of the old list are still available for perusal. See the SIGs home page for info about active and inactive lists. Further information: eGroups archives The old list mission statement The catalog-sig can be seen as a revival of the locator-sig.

  • String-SIG - SIG on Enhancement of Python String Processing

    String-SIG - SIG on Enhancement of Python String Processing SIG on Enhancement of Python String Processing This sig has been retired. New postings to the mailing list will be rejected, but the archives of the old list are still available for perusal. See the SIGs home page for info about active and inactive lists. This is forum for discussion of ideas, designs, and implementations of enhancements to Python's string pro...

  • Bugs in Python 2.3

    Bugs in Python 2.3 IDLE now executes code in a separate process. To communicate between the main process and executing processes, IDLE opens a socket to 127.0.0.1 (the local machine). Some firewalls running on Windows machines interfere with this and can cause either silent failures or erroneous popup windows from the firewall. This problem only occurs if you run a firewall on the same machine as IDLE. IDLE fails to start on Windows if installed to a directory with a space (e.g. C:\Program...

  • FSF response to the Python 2.1 license

    FSF response to the Python 2.1 license FSF response to the Python 2.1 license Today, I received the following email from Eben Moglen, the Free Software Foundation's attorney. (See also a postscript.) Subject: Re: Python 1.6.1 and GPL compatibility From: Eben Moglen <moglen@columbia.edu> To: Guido van Rossum <guido@digicool.com> Cc: "Bradley M. Kuhn" <bkuhn@gnu.org>, rms@gnu.org Date: Thu, 19 Apr 2001 07:44:11 -0400 (EDT) On Wednesday, 18 April 2001, Guido van Rossum w...

  • Highlights: Python 2.4

    Highlights: Python 2.4 Highlights: Python 2.4 Here are the (subjective) highlights of what's new in Python 2.4. Faster A number of modules that were added in Python 2.3 (such as sets and heapq) have been recoded in C. In addition, there's been a number of other speedups to the interpreter. (See section 8.1, Optimizations, of the "What's New" document for more). New language features multi-line imports - when using imports in the form from foo import bar, baz, bing, bang, you c...

  • Python Software Foundation Press Releases

    Python Software Foundation Press Releases Because the PSF is a membership organization, PSF news is usually sent to a members mailing list, or posted on this web site. The PSF may also issue press releases from time to time, for news of general interest. In addition, some press releases issued by other organizations relevant to Python are listed below. Python Software Foundation December 20, 2019 - Python 2 Series To Be Retired By April 2020 March 9, 2005 - PyCon 2005: Keynote Speech From ...

  • 👋 Hey Community Members!

    👋 Hey Community Members! More than 20 ways to get involved & stay informed! Watch any of these talks given about the PSF (most recent one is about PyPI presented by Ee, our Director of Infrastructure!) Want to financially support the PSF? Donate! Read our blog Sign up to receive our quarterly newsletter Follow us on Twitter or Mastodon Become a Basic member If you are already a Basic member, consider becoming a Contributing, Managing, and/or Supporting member. If you want to be a PSF Boar...

  • Event Organizer Resource Library

    Event Organizer Resource Library Title and Author(s) or Organizer of Resource Topic and Type of Resource Short Description One Event at a Time: Funding Your Community the Realistic Way by Georgi Ker Fundraising - Written Guide A practical, experience-based playbook for community event organizers to build more sustainable funding through sponsorship strategies in light of the PSF’s grants pause. Organizing and Managing Open Source Events by the TODO Group Event organizing - Written gui...

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