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  • Python Software Foundation FAQ

    ...ct, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. The Python Software Foundation (PSF) is a non-profit membership organization devoted to advancing open source technology related to the Python programming language. It qualifies under the US Internal Revenue Code as a tax-exempt 501(c)(3) scientific and educational public charity, and conducts its business according to the rules for such organ...

  • PSF Developers in Residence

    ...and the broader Python package ecosystem interactions with vulnerability infrastructure, security standards, and public policy such as the Secure Software Development Framework and EU Cyber Resilience Act. Seth’s work primarily involves the authoring, reviewing, and implementation of standards such as Python Enhancement Proposals (PEPs) and guides on security practices for open source projects. Seth also functions as a coordinator for security incidents affecting many projects in the Python ecos...

  • Release – Python 3.6.0b1

    Version: None

    Released: Sept. 12, 2016

    Python 3.6.0b1 Python 3.6.0b1 was released on 2016-09-12. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0b1 is the first of four planned beta releases. Among the new major new features in Python 3.6 are: …

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  • Release – Python 3.6.0b2

    Version: None

    Released: Oct. 10, 2016

    Python 3.6.0b2 Python 3.6.0b2 was released on 2016-10-10. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0b2 is the second of four planned beta releases. Among the new major new features in Python 3.6 are: …

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  • Release – Python 3.6.0b3

    Version: None

    Released: Oct. 31, 2016

    Python 3.6.0b3 Python 3.6.0b3 was released on 2016-10-31. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0b3 is the third of four planned beta releases. Among the new major new features in Python 3.6 are: …

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  • Release – Python 3.6.0b4

    Version: None

    Released: Nov. 21, 2016

    Python 3.6.0b4 Python 3.6.0b4 was released on 2016-11-21. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0b4 is the final planned beta release. Among the new major new features in Python 3.6 are: PEP …

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  • Release – Python 3.6.1

    Version: None

    Released: March 21, 2017

    Note: The release you are looking at is Python 3.6.1, a bugfix release for the legacy 3.6 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 3.6 was 3.6.15 and …

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  • Release – Python 3.3.7

    Version: None

    Released: Sept. 19, 2017

    Python 3.3.x has reached end-of-life. This is its final release. It is a security-fix source-only release. Python 3.3.0 was released on 2012-09-29 and has been in security-fix-only mode since 2014-03-08. Per Python Development policy, all support for the 3.3 series of releases ended on 2017-09-29, five years after …

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  • Release – Python 3.6.0rc1

    Version: None

    Released: Dec. 6, 2016

    Python 3.6.0rc1 Python 3.6.0rc1 was released on 2016-12-06. 3.6.0rc1 is the first release candidate for the 3.6.0 release. Code for 3.6.0 is now frozen. Assuming no release critical problems are found prior to the 3.6.0 final release date, currently 2016-12-16, the 3.6.0 final release will be the …

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  • Release – Python 3.6.0rc2

    Version: None

    Released: Dec. 16, 2016

    Python 3.6.0rc2 Python 3.6.0rc2 was released on 2016-12-16. 3.6.0rc2 is the second release candidate for the 3.6.0 release. Code for 3.6.0 is now frozen. Assuming no release critical problems are found prior to the 3.6.0 final release date, currently 2016-12-23, the 3.6.0 final release will be the …

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  • Release – Python 3.9.2

    Version: None

    Released: Feb. 19, 2021

    This is the second maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.2, 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. We've made …

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  • Release – Python 3.9.6

    Version: None

    Released: June 28, 2021

    This is the sixth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.6, 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. There's been …

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  • Release – Python 3.9.11

    Version: None

    Released: March 16, 2022

    This is the eleventh maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.11, 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. Security content …

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  • Python 3.3.5 release

    ...python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other bugs. This release fully supports OS X 10.9 Mavericks. In particular, this release fixes an issue that could cause previous versions of Python to crash when typing in interactive mode on...

  • Python 3.1.4 Release

    ...cated on the download page. MD5 checksums and sizes of the released files: fa9f8efdc63944c8393870282e8b5c35 11795512 Python-3.1.4.tgz 09ed98eace4c403b475846702708675e 9887870 Python-3.1.4.tar.bz2 dcd128e69f8ee239182b54e33313aac7 8184052 Python-3.1.4.tar.xz 4384d3fa1ae96d0f21c37c7aff03161f 17580055 python-3.1.4-macosx10.3.dmg b632340d63c6583382f77358f7f220ce 12711906 python-3.1.4-pdb.zip c0f83b5097289b8d874be950f1c8a99a 13531106 python-3.1.4.amd64-pdb.zip 829794fc7902880e4d55c7937c...

  • Release – Python 3.5.9

    Version: None

    Released: Nov. 2, 2019

    Python 3.5.9 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.9 was released on November 1st, 2019. There were no new changes in version 3.5.9; 3.5.9 was released only because of a CDN caching problem, …

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  • Release – Python 3.13.0b3

    Version: None

    Released: June 27, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b3, is the third of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

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  • Python 2.3.5

    ...Python 2.3.5. Raymond Hettinger has also written a tutorial on descriptors, introduced in Python 2.2. In addition, The Python 2.3 Method Resolution Order is a nice paper by Michele Simionato that explains the C3 MRO algorithm (new in Python 2.3) clearly. (Also available as reStructured Text. Copied with permission.) Files, MD5 checksums, signatures, and sizes 7a1ecc1196c5c0e9d4eef90ba684c4e9 Python-2.3.5.tgz (8535749 bytes, signature) c12b57c6e0cf8bc676fd9444d71c9e18 Python-2...

  • Release – Python 3.1.4

    Version: None

    Released: June 11, 2011

    Note: It is recommended that you use the latest bug fix release of the 3.1 series, 3.1.5. Python 3.1.4 was released on June 11th, 2011. The Python 3.1 version series is a continuation of the work started by Python 3.0, the new backwards-incompatible series of …

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  • Release – Python 2.3.5

    Version: None

    Released: Feb. 8, 2005

    Python 2.3.5 (final) on Feb 8th, 2005. This is a bug-fix release for Python 2.3. There have been around 50 bugs fixed since 2.3.4 - in the Python interpreter, the standard library and also in the build process - see the release notes for details. Important: This release …

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