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  • Release – Python 3.13.0a3

    Version: None

    Released: Jan. 17, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a3, is the third of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.15.0a5

    Version: None

    Released: Jan. 14, 2026

    Note: 3.15.0a4 was accidentally built against main from 2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release correctly built against 2026-01-14. 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 …

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  • Python Software Foundation: Minutes of Board of Directors Meeting (May 11, 2004)

    Python Software Foundation: Minutes of Board of Directors Meeting (May 11, 2004) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors May 11, 2004 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 17:00 GMT. Stephan Deibel presided at the meeting. 1. Attendance The following members of the Board of Directors were present at the meeting: Tim Peters, Guido van Rossum, Martin v. Löwis, Ste...

  • Summary of "Extension Building" Session

    Summary of "Extension Building" Session "Extension Building Considered Painful": Session Summary by Greg Ward The "Extension Building Considered Painful" session at IPC7 was very productive, and there was a good consensus in the room as to what's needed, what will work for various classes of users, and what ideas to steal from other related systems (the closest being Red Hat's RPM and Perl's MakeMaker). Decisions made Everyone seemed to agree with my p...

  • Python 1.6

    Python 1.6 Python 1.6 Note: See the download pages for more recent releases. The final version of Python 1.6 is released on September 5, 2000. (What's new?) CNRI has placed an open source license on this version. CNRI believes that this version is compatible with the GPL, but there is a technicality concerning the choice of law provision, which Richard Stallman believes may make it incompatible. CNRI is still trying to work this out with Stallman. Future versions of Python ...

  • Computer Programming for Everybody

    Computer Programming for Everybody Computer Programming for Everybody This is the text of a revised funding proposal that we sent to DARPA in August 1999. In March, we heard that at least an earlier version of the proposal was accepted by DARPA; the work has begun late 1999 and will hopefully last two years, although we've only received funding for the first year (through October 2000). We're keeping our fingers crossed for the rest. Unfortunately, the move of the Python developm...

  • Release – Python 2.1.3

    Version: None

    Released: April 9, 2002

    Note: This is not the most current Python version. See the download page for a more recent version. On April 8 2002, we're releasing Python 2.1.3 - a bugfix release of Python 2.1. This release has a small number of critical bug fixes. This is the …

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  • Release – Python 2.2.2

    Version: None

    Released: Oct. 14, 2002

    Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.2, there's a patch available …

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  • Release – Python 3.5.0a2

    Version: None

    Released: March 9, 2015

    Python 3.5.0a2 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0a2 was released on March 9th, 2015. Major new features of the 3.5 series, compared to 3.4 Python 3.5 is still in development, …

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  • Release – Python 3.5.0a3

    Version: None

    Released: March 30, 2015

    Python 3.5.0a3 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0a3 was released on March 30th, 2015. Major new features of the 3.5 series, compared to 3.4 Python 3.5 is still in development, …

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  • Release – Python 3.12.0a7

    Version: None

    Released: April 4, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a7 is the seventh and final alpha release of 3.12. Alpha releases are intended to make it easier to …

  • Release – Python 3.13.0a4

    Version: None

    Released: Feb. 15, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a4, is the fourth of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.15.0a6

    Version: None

    Released: Feb. 11, 2026

    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, 3.15.0a6, is the sixth of eight planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Python 2.1.3

    Python 2.1.3 Python 2.1.3 - a bugfix release for Python 2.1 Note: This is not the most current Python version. See the download page for a more recent version. On April 8 2002, we're releasing Python 2.1.3 - a bugfix release of Python 2.1. This release has a small number of critical bug fixes. This is the final release of Python 2.1.3. While the most recent release of Python is 2.2, there are a couple of bugs that have come up since 2.1.2 was released, in particular one b...

  • Python 2.2.2

    Python 2.2.2 Python 2.2.2 Note: See Python 2.2.3 for a patch release which supersedes 2.2.2. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.2, there's a patch available from the security advisory page. We are pleased to announce the release...

  • Contributing to the PSF

    Contributing to the PSF NOTE: The easiest and fastest way to sign a Contributor Agreement with the Python Software Foundation is to do it while you are submitting your first change to a Python-owned repository on GitHub. That's the recommended way as it is fully automated. The Contributor Agreement page you're looking at now is mainly intended for signing Contributor Agreements on behalf of organizations. The Contributor Agreement form hosted here is manually reviewed which takes time to...

  • Mission

    Mission The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. You can help fund the PSF by making a donation or becoming a member. The following is the official mission statement of the PSF: The Python Software Foundation (PSF) is a non-profit membership organization devoted to advancing open source technology related to the Py...

  • 👋 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...

  • Release – Python 2.5.0

    Version: None

    Released: Sept. 19, 2006

    Python 2.5 was released on September 19th 2006. There's a bunch of places you can look for more information on what's new in this release -- see the "What's New" section further down this page. This is a final release, and should be suitable for production use. …

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  • Python 2.5 Release

    Python 2.5 Release Python 2.5 Python 2.5 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. Python 2.5 was released on September 19th 2006. There's a bunch of places you can look for more information on what's new in this release -- see the "What's New" section further down this page. This is a final release, and should be suitable for production use. PEP 356 includes the schedule and will be updated as the schedule evolves. At this point, ...

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