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  • Python Success Stories

    ...Python. At the time of our investigation, Python had reached version 2.5, and a what we felt was a credible level of maturity. While not a "main-stream" choice, Python was attractive because of its cross-platform abilities and the productivity I felt the language could bring to the team. Some of my team members were skeptical and preferred the tried-and-true power of C/C++ for systems programming. We decided that those members would work on the web GUI for configuration of the product,...

  • Python Success Stories

    ...Python? AFNIC uses many programming languages (Perl, Java, PHP, PL/SQL, and Ruby) but this was the first use of Python. Like Perl and Ruby, Python includes the standard libraries that were required by this project. Python was chosen for its readability and ease of use. Implementation Most of the brutal load was handled by the Postfix mail system. All requests were received by email, which is asynchronous and thus avoids the above-mentioned limitations of synchronous processing. Suzanne was in ...

  • Release – Python 3.7.0b2

    Version: None

    Released: Feb. 28, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b2, is the second of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 …

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  • Release – Python 3.6.5

    Version: None

    Released: March 28, 2018

    Note: The release you are looking at is Python 3.6.5, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.9.0b2

    Version: None

    Released: June 9, 2020

    WARNING: this release has a known regression See BPO-40924 for details. Use Python 3.9.0b3 or newer instead, please. This is a beta preview of Python 3.9 Python 3.9 is still in development. This release, 3.9.0b2, is the second of four planned beta release previews. Beta release previews …

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  • Release – Python 3.9.1rc1

    Version: None

    Released: Nov. 26, 2020

    This is the release candidate of the first maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.1rc1, the release candidate of a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest …

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  • Release – Python 3.3.7rc1

    Version: None

    Released: Sept. 6, 2017

    This is a security-fix source-only release. The last binary release was 3.3.5. This is the release candidate of Python 3.3.7. Python 3.3.0 was released on 2012-09-29 and has been in security-fix-only mode since 2014-03-08. Per Python Development policy, all support for the 3.3 series of releases ends on …

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  • Release – Python 3.6.5rc1

    Version: None

    Released: March 13, 2018

    Python 3.6.5rc1 is a release candidate preview of the fifth maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, Simpler …

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  • Release – Python 3.6.6rc1

    Version: None

    Released: June 12, 2018

    Python 3.6.6rc1 is a release candidate preview of the sixth maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, Simpler …

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  • Release – Python 3.6.7rc1

    Version: None

    Released: Sept. 26, 2018

    Python 3.6.7rc1 is a release candidate preview of the seventh maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, Simpler …

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  • Release – Python 3.6.7rc2

    Version: None

    Released: Oct. 13, 2018

    Python 3.6.7rc2 is the second release candidate preview of the seventh maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, …

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  • Release – Python 3.9.0

    Version: None

    Released: Oct. 5, 2020

    This is the stable release of Python 3.9.0 Note: The release you're looking at is Python 3.9.0, a legacy release. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Installer news This is the first version …

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  • Release – Python 3.13.10

    Version: None

    Released: Dec. 2, 2025

    This is the tenth maintenance release of Python 3.13 Python 3.13.10 is the tenth maintenance release of 3.13, containing around 300 bugfixes, build improvements and documentation changes since 3.13.9. Major new features of the 3.13 series, compared to 3.12 Some of the new major new features and …

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  • Python Software Foundation FAQ

    ...Python Software Foundation? Who are on the PSF board? Who are the officers? How do I reach the PSF? How do I join the PSF? How can I follow PSF activities? How can I provide feedback? What is the Python Software Foundation? From the PSF Mission Statement: The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. The Python Softwar...

  • PSF Developers in Residence

    ...python.org Former Developers in Residence Łukasz Langa For nearly 5 years as the inaugural PSF CPython Developer in Residence, Łukasz Langa played a key role in shaping the future of Python. He worked on everything from improving the user experience—like helping introduce a more modern, user-friendly Python shell—to keeping releases on track and stable. As a longtime release manager and core developer, he was involved in many versions of Python, making sure things run smoothly behind the scene...

  • Release – Python 3.4.3

    Version: None

    Released: Feb. 25, 2015

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.3 was released on February 25th, 2015. Python 3.4.3 has many bugfixes and other small improvements over 3.4.2. Major new features of the 3.4 series, compared to …

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  • Release – Python 3.4.4rc1

    Version: None

    Released: Dec. 7, 2015

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.4rc1 was released on December 6th, 2015. Python 3.4.4rc1 has many bugfixes and other small improvements over 3.4.3. Major new features of the 3.4 series, compared to …

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  • Release – Python 3.4.4

    Version: None

    Released: Dec. 21, 2015

    Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.4 was released on December 6th, 2015. Python 3.4.4 has many bugfixes and other small improvements over 3.4.3. Major new features of the 3.4 series, compared to …

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  • Release – Python 3.6.1rc1

    Version: None

    Released: March 5, 2017

    Python 3.6.1rc1 is a release candidate preview of the first maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. See the What’s New In Python 3.6 document for more information. Major new features of the 3.6 series, compared to 3.5 Among …

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  • Release – Python 3.6.2rc1

    Version: None

    Released: June 17, 2017

    Python 3.6.2rc1 is a release candidate preview of the second maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. See the What’s New In Python 3.6 document for more information. Major new features of the 3.6 series, compared to 3.5 Among …

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