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  • Python 3.2.1 Release

    Python 3.2.1 Release Python 3.2.1 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.1 was released on July 10th, 2011. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features are developed for 3.x only. Since PEP 3003, the Moratorium on Language Changes, is in effect, there are no changes in Python's syntax and...

  • Python 3.2.2 Release

    Python 3.2.2 Release Python 3.2.2 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.2 was released on September 4th, 2011. It mainly fixes a regression in the urllib.request module that prevented opening many HTTP resources correctly with Python 3.2.1. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features ar...

  • Python 3.2.3 Release

    Python 3.2.3 Release Python 3.2.3 Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.3 was released on April 10, 2012. It includes fixes for several reported security issues: issue 13703 (CVE-2012-1150, hash collision denial of service), issue 14234 (CVE-2012-0876, Expat hash collision denial of service), issue 14001 (CVE-2012-0845, SimpleXMLRPCServer denial of service), and issue 13885 (CVE-2011-3389, disabling of the CBC IV attack counter...

  • Release – Python 3.12.0a4

    Version: None

    Released: Jan. 10, 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, 3.12.0a4 is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state …

  • Release – Python 3.12.0b4

    Version: None

    Released: July 11, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b4, is the final 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 prepare their …

  • Unifying types and classes in Python 2.2

    Unifying types and classes in Python 2.2 Python Version: 2.2.3 Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static methods and class methods Properties: attributes defined by get/set methods Method resolution ord...

  • Unifying types and classes in Python 2.2

    Unifying types and classes in Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2.1 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static metho...

  • Unifying types and classes in Python 2.2

    Unifying types and classes in Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2.2 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static metho...

  • Release – Python 3.13.4

    Version: None

    Released: June 3, 2025

    This is the fourth 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. 3.13.4 is the latest maintenance release, containing a few important security fixes as well as around 300 …

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  • Release – Python 3.13.11

    Version: None

    Released: Dec. 5, 2025

    This is the eleventh maintenance release of Python 3.13 Note: This is Python 3.13.11, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.11 is the eleventh maintenance release of 3.13. This …

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  • Release – Python 3.12.1

    Version: None

    Released: Dec. 8, 2023

    This is the first maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.1 is the latest maintenance release, containing more than 400 bugfixes, build improvements and documentation changes since 3.12.0. Major new features …

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  • Release – Python 3.12.2

    Version: None

    Released: Feb. 6, 2024

    This is the second maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.2 is the latest maintenance release, containing more than 350 bugfixes, build improvements and documentation changes since 3.12.1. Major new features …

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  • Release – Python 3.12.3

    Version: None

    Released: April 9, 2024

    This is the third maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.3 is the latest maintenance release, containing more than 300 bugfixes, build improvements and documentation changes since 3.12.2. Major new features …

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  • Release – Python 3.12.4

    Version: None

    Released: June 6, 2024

    This is the fourth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.4 is the latest maintenance release, containing more than 250 bugfixes, build improvements and documentation changes since 3.12.3. Major new features …

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  • Release – Python 3.12.7

    Version: None

    Released: Oct. 1, 2024

    This is the seventh maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.7 is the latest maintenance release, containing about 120 bug fixes, build improvements and documentation changes since 3.12.6. Major new features …

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  • Release – Python 3.12.9

    Version: None

    Released: Feb. 4, 2025

    This is the ninth maintenance release of Python 3.12 Python 3.12.9 is the latest maintenance release of Python 3.12, containing about 180 bug fixes, build improvements and documentation changes since 3.12.8. Major new features of the 3.12 series, compared to 3.11 New features More flexible f-string parsing, allowing many …

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  • Release – Python 3.12.10

    Version: None

    Released: April 8, 2025

    This is the tenth maintenance release of Python 3.12 Python 3.12.10 is the latest maintenance release of Python 3.12, and the last full maintenance release. Subsequent releases of 3.12 will be security-fixes only. This last maintenance release contains about 230 bug fixes, build improvements and documentation changes since 3.12.9. …

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  • Release – Python 3.14.1

    Version: None

    Released: Dec. 2, 2025

    This is the first maintenance release of Python 3.14 Python 3.14.1 is the first maintenance release of 3.14, containing around 558 bugfixes, build improvements and documentation changes since 3.14.0. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and changes in Python 3.14 …

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  • Release – Python 3.13.0rc3

    Version: None

    Released: Oct. 1, 2024

    This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. This …

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  • Release – Python 3.13.1

    Version: None

    Released: Dec. 3, 2024

    This is the first 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. 3.13.1 is the latest maintenance release, containing almost 400 bugfixes, build improvements and documentation changes since 3.13.0. …

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