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  • Python 2.2

    Python 2.2 Python 2.2 Note: See Python 2.2.3 for a patch release which supersedes 2.2. 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 2.2, there's a patch available from the security advisory page. We are extremely pleased to announce the relea...

  • Bugs in Python 2.3.1

    Bugs in Python 2.3.1 <h3>Bugs in Python 2.3.1</h3> <ul> <li>IDLE now executes code in a separate process. To communicate between the main process and executing processes, IDLE opens a socket to 127.0.0.1 (the local machine). Some firewalls running on Windows machines interfere with this and can cause either silent failures or erroneous popup windows from the firewall. This problem only occurs if you run a firewall on the same machine as IDLE.</li> <li>The...

  • 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...

  • 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 3.8.2rc2

    Version: None

    Released: Feb. 17, 2020

    This is the second release candidate of Python 3.8.2, the second maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.2rc2, a bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of …

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  • Release – Python 3.13.0b3

    Version: None

    Released: June 27, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b3, is the third of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

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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 …

  • Release – Python 2.2.0

    Version: None

    Released: Dec. 21, 2001

    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 2.2, there's a patch available from the …

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  • Python Software Foundation: Press Release 29-Jul-2003

    Python Software Foundation: Press Release 29-Jul-2003 July 29, 2003 Press Release SOURCE: Python Software Foundation PYTHON SOFTWARE FOUNDATION (PSF) ANNOUNCES PYTHON VERSION 2.3 New release enhances powerful programming language FREDERICKSBURG, Va., July 29, 2003 -- The Python Software Foundation (PSF) announces the release of version 2.3 of the Python programming language. This major release introduces performance enhancements, increased robustness, several minor language feature...

  • Python Success Stories

    Python Success Stories Introduction Internet connectivity is omnipresent, finding new applications and giving old designs a new lease on life. In this age of small IC devices boasting TCP/IP stacks and wireless connectivity, one no longer needs a standalone PC to harness the Web. VAHNZ Controls developed its eBukal[1] remote alarm device to leverage their knowledge of microcontroller interfacing and Internet protocols, creating an innovative solution for the field of building automation. Re...

  • Python Success Stories

    ...compilation or translation of any kind. Conclusion Python made it possible for Journyx to produce a flexible, feature-rich product for multiple platforms in less time than would have been possible using another language. Python has been an important competitive advantage for us, and even as our Python code base grows in complexity and maturity, the natural advantages of Python enable us to provide a high quality mission critical application at a competitively low cost. About the Authors Curt...

  • Python Success Stories

    Python Success Stories Introduction Tribon Solutions develops, markets and supports CAD/CAM/CIM software solutions, with the mission of increasing overall efficiency in the maritime industry. For more than 30 years the company has provided shipyards, design agents and maritime equipment suppliers with new ways to improve cost efficiency, quality and performance. Our solutions are proven to generate time savings and to increase speed to market. With its head office in Sweden and offices in the...

  • Bugs in Python 2.3.2

    Bugs in Python 2.3.2 <h3>Bugs in Python 2.3.2</h3> <ul> <li>IDLE now executes code in a separate process. To communicate between the main process and executing processes, IDLE opens a socket to 127.0.0.1 (the local machine). Some firewalls running on Windows machines interfere with this and can cause either silent failures or erroneous popup windows from the firewall. This problem only occurs if you run a firewall on the same machine as IDLE.</li> </ul> &...

  • Release – Python 3.13.0b2

    Version: None

    Released: June 5, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b2, is the second of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

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  • Release – Python 3.13.0b4

    Version: None

    Released: July 17, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b4, is the final beta release preview of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to …

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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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  • 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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  • Community Stories

    Community Stories Packaging People who need to install Python packages get confused a lot. That's not their fault; that's because the volunteers who maintain the packaging tools don't have enough time to get everything organized so that it's clear and easy to use. In the last few years, the PSF has gotten grants and used that money to massively improve packaging. We overhauled PyPI and we're making pip more consistent, with genuine attention to user experience. With more funding, we can finall...

  • Frank Willison Memorial Award

    Frank Willison Memorial Award Contributions can encompass so much more than code. A successful software community requires time, dedication, communication, and education as well as elegant code. With the Frank Willison Memorial Award, we hoped to acknowledge all of those things. —Tim O'Reilly The Frank Willison Memorial Award for Contributions to the Python Community is given annually to a person judged to have made an outstanding contribution to the Python community. The award was ...

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