Notice: This page displays a fallback because interactive scripts did not run. Possible causes include disabled JavaScript or failure to load scripts or stylesheets.
...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...
Version: None
Released: June 6, 2023
This is a security release of Python 3.7 Note: The release you are looking at is Python 3.7.17, the final security bugfix release for the legacy 3.7 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. …
View Release Notes
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 …
Released: Oct. 8, 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 …
Released: Dec. 2, 2025
Released: Dec. 5, 2025
Released: Feb. 23, 2026
Released: March 31, 2026
Released: May 11, 2026
Released: June 30, 2026
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
Released: June 30, 2025
Released: July 22, 2025
If you didn't find what you need, try your search in the Python language documentation.