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  • Release – Python install manager 25.2

    Version: None

    Released: Dec. 5, 2025

    The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can be installed using the Microsoft Store app. For most users, this is …

  • Release – Python install manager 26.0

    Version: None

    Released: Feb. 23, 2026

    The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can be installed using the Microsoft Store app. For most users, this is …

  • Release – Python install manager 26.1

    Version: None

    Released: March 31, 2026

    The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can be installed using the Microsoft Store app. For most users, this is …

    View Release Notes

  • Standard Exception Classes in Python 1.5

    ...Python 1.5 Standard Exception Classes in Python 1.5 (updated for Python 1.5.2 -baw) User-defined Python exceptions can be either strings or Python classes. Since classes have many nice properties when used as exceptions, it is desirable to migrate to a situation where classes are used exclusively. Prior to Python 1.5 alpha 4, Python's standard exceptions (IOError, TypeError, etc.) were defined as strings. Changing these to classes posed some particularly nasty backward compatibil...

  • Release – Python install manager 25.0 beta 9

    Version: None

    Released: May 26, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 10

    Version: None

    Released: June 9, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 11

    Version: None

    Released: June 30, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 12

    Version: None

    Released: July 22, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 13

    Version: None

    Released: Aug. 14, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 14

    Version: None

    Released: Aug. 27, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • Release – Python install manager 25.0 beta 15

    Version: None

    Released: Sept. 18, 2025

    This is a beta preview of the new Windows Python install manager. The Python install manager for Windows is our tool for installing and managing runtimes. The traditional executable installer will stop being released with Python 3.16 As well as the files below, the Python install manager can …

  • 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 …

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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 …

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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 …

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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 …

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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 …

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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 …

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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 …

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  • Python Distutils-SIG: Design Proposal

    Python Distutils-SIG: Design Proposal Python Distutils-SIG (Prerequisites: please read the proposed interface before trying to plough through this design document; it is very much a sequel to the interface document.) Design Proposal The Distutils' point of view setup.py only has to import one module, distutils.core. This module is responsible for parsing all command-line arguments to setup.py (even though the interpretation of options is di...

  • Python Distutils-SIG: Design Proposal

    Python Distutils-SIG: Design Proposal Python Distutils-SIG (Prerequisites: please read the proposed interface before trying to plough through this design document; it is very much a sequel to the interface document.) Design Proposal The Distutils' point of view setup.py only has to import one module, distutils.core. This module is responsible for parsing all command-line arguments to setup.py (even though the interpretation of options is di...

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