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  • 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 2.3.6 Release

    Python 2.3.6 Release Python 2.3.6 We are pleased to announce the release of Python 2.3.6 (FINAL), a bugfix release of Python 2.3, on November 1, 2006. Important: 2.3.6 includes a security fix (PSF-2006-001) for the repr() of unicode strings in wide unicode builds (UCS-4) 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. There are 3 bugs fixed in this release - a problem with the email package's handling of...

  • 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...

  • Release – Python 3.14.0b1

    Version: None

    Released: May 7, 2025

    Only one day late, welcome to the first beta! This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b1, is the first of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features …

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  • Release – Python 3.14.0b4

    Version: None

    Released: July 8, 2025

    It's the final 3.14 beta! https://www.python.org/downloads/release/python-3140b4/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b4, is the last of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes …

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  • Release – Python 3.14.0rc2

    Version: None

    Released: Aug. 14, 2025

    It's the final 🪄 penultimate 🪄 3.14 release candidate! Note: rc2 was originally planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they'll be …

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  • Python 2.1

    Python 2.1 Python 2.1 - final release Note: This is no longer the most current Python release. See Python 2.1.3 for a patch release and the download page for more recent releases. The final version Python 2.1was released on April 17, 2001. See our (gulp :-) press release. What's New? What's New in Python 2.1 by Andrew Kuchling describes the most visible changes since Python 2.0. Full release notes with detailed lists of what was new in each alpha, beta or candidate ...

  • 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 is vulnerable …

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  • Comparing Python to Other Languages

    ...compiler with limited data type support, and adds namespaces. However, it is still a much more cumbersome programming language. Smalltalk Perhaps the biggest difference between Python and Smalltalk is Python's more "mainstream" syntax, which gives it a leg up on programmer training. Like Smalltalk, Python has dynamic typing and binding, and everything in Python is an object. However, Python distinguishes built-in object types from user-defined classes, and currently doesn't allow i...

  • Python 2.3.5

    Python 2.3.5 Python 2.3.5 We're happy to announce the release of 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 is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode ...

  • Release – Python 3.14.0b2

    Version: None

    Released: May 26, 2025

    Here's the second 3.14 beta. https://www.python.org/downloads/release/python-3140b2/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b2, is the first of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes …

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  • Python Software Foundation: Press Release 10-Apr-2002

    Python Software Foundation: Press Release 10-Apr-2002 Python Software Foundation Announces Python Version 2.2.1 Over 100 enhancements made to powerful programming language Fredericksburg, VA -- April 10th, 2002 -- The Python Software Foundation announced today the release of version 2.2.1 of the Python programming language and standard libraries. This release includes over 100 enhancements for users of version 2.2 of Python. "We're pleased to offer this release to the Python users...

  • 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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  • Python 1.6.1

    ...compiler but undefined when used, a new exception UnboundLocalError is raised. This is a class derived from NameError so code catching NameError should still work. The purpose is to provide better diagnostics in the following example: x = 1 def f(): print x x = x+1 This used to raise a NameError on the print statement, which confused even experienced Python programmers (especially if there are several hundreds of lines of code between the reference and the assignment to x :-). You can...

  • Python Success Stories

    ...compiler vendors, the Python-based build system can work with different compilers. Python is also used for stress tests and unit testing -- an aspect of development particularly vital in embedded systems, due to the inherent difficulty of upgrading devices once they are in the field. Additional uses of Python, such as for control panels and code generation, are being considered as well. One very exciting application of Python at Carmanah is in the role of a device simulator. A simulator can act...

  • Python Software Foundation: Minutes of Board of Directors Meeting (February 8, 2005)

    Python Software Foundation: Minutes of Board of Directors Meeting (February 8, 2005) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors February 8, 2005 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 1:00 EST. Stephan Deibel presided at the meeting. 1. Attendance The following members of the Board of Directors were present at the meeting: David Ascher, Jeremy Hylton, Tim Peters, St...

  • Catalog Requirements

    Catalog Requirements Catalog Requirements There are a few steps needed to find and install a package: Discovery : which module does what I need? Download : where can I get a copy? Security : is this actually from the package author, and not a Trojan horse? Installation : how do I compile the package, install it, and set it up? Updating : what's the latest version of a package? do I need to get an updated version for my system? The ...

  • Python Software Foundation: Press Release 8-Apr-2002

    Python Software Foundation: Press Release 8-Apr-2002 Python Software Foundation Announces Python Version 2.1.3 Maintenance release confirms support for Python 2.1 FREDERICKSBURG, VA -- April 8, 2002 -- The Python Software Foundation (PSF) has announced release of version 2.1.3 of the Python programming language and standard libraries. This maintenance release confirms the PSF's commitment to supporting older Python versions. "We're happy to offer this maintenance release. This is ...

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