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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 3.13.0a3

    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 …

  • Mission

    ...c charities and with Python's standing as an open source project. For example, the PSF may offer to sell conference proceedings, special Python distributions, or merchandise with distinctive insignia. Publicizes, promotes the adoption of, and facilitates the ongoing development of Python-related technology and educational resources. This includes, but is not limited to, maintaining a public web site, planning Python conferences, and offering grants to Python-related open source projects. Encoura...

  • Python Software Foundation: Minutes of Board of Directors Meeting (June 11, 2002)

    ...cI and AB Strakt: Progress report of 501(c)(3) application. Statistics/progress regarding (sponsor) membership applications Income and how to spend it Future Python conferences 5. Conference committee Jeremy proposed a comittee to deal with the planning of official Python conferences, to allow for coordination between them. David offers to chair the committee and wil start preparing its formation. 6. Next board meeting Guido is on vacation from ...

  • 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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  • 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 …

  • Parade of the PEPs

    ...ch 28, 2002: My previous comments were based on several misunderstandings. (E.g. slices in the new Numeric acts the same as in the old version, and don't make copies as I mistakenly thought.) Quoting Perry Greenfield: [...] the new version is becoming more and more backward- compatible. In fact, the major differences that remain are: difference coercion rules when scalars are combined with arrays. At the scientific Python BoF, there was consensus that this change was a ...

  • 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 …

  • Contributing to the PSF

    ...Contributor Agreement form hosted here is manually reviewed which takes time to process. Contributor Agreements Procedures The PSF is now asking all past and future contributors to sign a Contributor Agreement. With these forms, contributors formally license their contribution to the PSF, under an open source license (the "Initial License"). Currently, we accept contributions under the following initial licenses: Academic Free License v. 3.0 Apache License, Version 2.0 This...

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

    ...and PSC reports were emailed. Martin reported that the Grant committee has created a mailing list, and had some discussions, but had not made any decision, yet. He also reported that we are still working with Larry Rosen on the contrib forms, but have not made any progress recently. Tim reports no progress on the changes to the bylaws. 4. Change of Principal Office and Headquarters Stephan moved that it is RESOLVED, that the principal office and official headquarters of the PSF shall be...

  • Release – Python 3.12.0b3

    Version: None

    Released: June 19, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b3, is the third of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

  • Release – Python 3.15.0a4

    Version: None

    Released: Jan. 13, 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, 3.15.0a4, is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • What's new in Python 2.3

    ...cial mode "U" (instead of "r") translate all three commonly found line ending conventions (n, r, rn) into Python's standard n convention. Contributed by Jack Jansen. (PEP 278) Encoding declarations - you can put a comment of the form "# -- coding: <encodingname> --" in the first or second line of a Python source file to indicate the encoding (e.g. utf-8). (PEP 263 phase 1) Codec error handling callbacks - this allows for flexible handling of encoding errors...

  • Release – Python 3.13.0a5

    Version: None

    Released: March 12, 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, 3.13.0a5, is the fifth of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Job - Infrastructure Engineer

    Location: Remote USA

    Telecommuting: Yes

    The Python Software Foundation (PSF) is hiring a full-time Infrastructure Engineer, reporting to the PSF's Director of Engineering. 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 …

  • Python for Mac OS X

    ...c which provides a bridge between Python and Objective-C, allowing you to write full-featured native Cocoa applications in pure Python. py2app which allows you to make standalone OS X double-clickable application bundles and plugins from Python scripts. For more information about Python on OS X, see the mailing list and archives for the Python-Macintosh Special Interest Group. Alternative Packages for Mac OS X. ActiveState ActivePython (commercial and community versions, including scientific...

  • Mailing lists

    ...chive for each: de.comp.lang.python (German), it.comp.lang.python (Italian), pl.comp.lang.python (Polish), fr.comp.lang.python (French), and cz.comp.lang.python (Czech). comp.lang.python.announce newgroup and python-announce mailing list comp.lang.python.announce is a low-volume moderated forum for Python-related announcements. New modules and programs are announced here, and it's where PEPs are posted to get comments from the community. You'll also see announcements for conferences. This is a...

  • Release – Python 3.9.12

    Version: None

    Released: March 23, 2022

    This is the twelfth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.12, a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. This is …

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