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  • Release – Python 2.3.2

    Version: None

    Released: Oct. 3, 2003

    This is a patch release which supersedes earlier releases of 2.3. 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 …

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  • Release – Python 2.4.5

    Version: None

    Released: March 11, 2008

    Python 2.4 is now in security-fix-only mode. No new features are being added, and bugs are not fixed anymore unless they affect the stability and security of the interpreter, or of Python …

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  • Release – Python 2.3.4

    Version: None

    Released: May 27, 2004

    This is a patch release which supersedes earlier releases of 2.3. 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 …

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  • Release – Python 2.3.3

    Version: None

    Released: Dec. 19, 2003

    This is a patch release which supersedes earlier releases of 2.3. 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 …

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  • 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, which resulted in some users …

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  • 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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  • Release – Python 3.13.5

    Version: None

    Released: June 11, 2025

    This is the fifth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.5 is the fifth maintenance release of 3.13. 3.13.5 is an expedited release to fix a couple …

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  • Release – Python 3.13.7

    Version: None

    Released: Aug. 14, 2025

    This is the seventh maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.7 is the seventh maintenance release of 3.13. 3.13.7 is an expedited release to fix a significant …

  • About

    About Python is a remarkably powerful dynamic programming language that is used in a wide variety of application domains. Python is often compared to Tcl, Perl, Ruby, Scheme or Java. Some of its key distinguishing features include: very clear, readable syntax strong introspection capabilities intuitive object orientation natural expression of procedural code full modularity, supporting hierarchical packages exception-based error handling very high level dynamic data types extensive standard l...

  • Python Success Stories

    Python Success Stories Introduction LoveIntros is an online singles community for people living in the Northwest United States. The LoveIntros Web application allows members to create personal profiles, send and receive anonymous e-mails, create private Web journals, perform advanced profile searches, and execute many other functions. By providing a safe and effective way for individuals to find each other, LoveIntros makes it easier to meet new people who have similar interests and values an...

  • Python Success Stories

    Python Success Stories Background The Molecular Modeling Toolkit (MMTK) is a open source Python library for molecular modeling and simulation with a focus on biomolecular systems, written in a mixture of Python and C. It provides standard techniques such as Molecular Dynamics or normal mode calculations in a ready-to-use form, but also provides a basis of low-level operations on top of which new techniques can easily be implemented. I started developing MMTK in 1996. I had some experience wit...

  • Python 2.3.2

    Python 2.3.2 Python 2.3.2 Note: See Python 2.3.5 for a patch release release which supersedes earlier releases of 2.3. 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 2.3, there's a patch available from the security advisory page. Important: ...

  • Python 2.3.3

    Python 2.3.3 Python 2.3.3 Note: See Python 2.3.5 for a patch release release which supersedes earlier releases of 2.3. 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 2.3, there's a patch available from the security advisory page. Important: ...

  • Python 2.3.4

    Python 2.3.4 Python 2.3.4 Note: See Python 2.3.5 for a patch release which supersedes earlier releases of 2.3. 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 2.3, there's a patch available from the security advisory page. Important: 2.3.5 in...

  • Python 2.3.7 Release

    Python 2.3.7 Release Python 2.3.7 We are pleased to announce Python 2.3.7 (final), a bugfix release of Python 2.3, on March 11, 2008. Important: 2.3.7 is a source-only release. If you need a binary release of 2.3, use 2.3.5. If you need the fixes that are included in this release, use 2.5.2 or later. Python 2.3 is now well and truly in bugfix-only mode; no new features are being added, and only security critical bugs have been fixed. This release addresses a number of cases interpreter migh...

  • Python 2.4.5 Release

    Python 2.4.5 Release Python 2.4.5 We are pleased to announce Python 2.4.5 (final), a bugfix release of Python 2.4, on March 11, 2008. Important: 2.4.5 is a source-only release. If you need a binary release of 2.4, use 2.4.4. If you need the fixes that are included in this release, use 2.5.2 or later. Python 2.4 is now in security-fix-only mode. No new features are being added, and bugs are not fixed anymore unless they affect the stability and security of the interpreter, or of Python appli...

  • Privacy Policy

    Privacy Policy psf, privacy, policy Update update date Python Software Foundation Privacy Policy The Python Software Foundation (the “PSF”) is is dedicated to the security and privacy of your data. We want you to know what data we collect, how we collect it, and what we do with it so that you may decide whether or not to provide information to us. By visiting PSF websites or are otherwise providing your personal information to us via any other means, you are accepting and consenting to the ...

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