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  • About

    ...Build your own web server in three lines of code. Build flexible data-driven code using Python's powerful and dynamic introspection capabilities and advanced language features such as meta-classes, duck typing and decorators. Python lets you write the code you need, quickly. And, thanks to a highly optimized byte compiler and support libraries, Python code runs more than fast enough for most applications. The traditional implementation of CPython uses a bytecode virtual machine; PyPy supports ju...

  • 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...

  • Python 2.3.7 Release

    ...build on current operating systems, in particular on OS X. We have made no attempt to fix these problems, as the release is targeted for systems that were current at the time Python 2.3 was originally released. For more recent systems, you might have to come up with work-arounds. For OS X in particular, try invoking: ./configure MACOSX_DEPLOYMENT_TARGET=10.5 Please see the separate bugs page for known issues and the bug reporting procedure. See also the license Download the release As noted,...

  • Executive Summary: The Python Software Foundation

    ...build system, called Pyramid, was however found to be slow, complicated, and hard to install. This made it difficult for volunteers to be able to get started with maintaining the site. Some improvements were made, but ultimately Pyramid was replaced with a much simpler and faster build system that is custom-designed for python.org. Despite these initial problems with the build software, this project was a success. The look of the site has been improved and moving to a CSS based design and unifor...

  • Archive 2018: Executive Summary: The Python Software Foundation

    ...build system, called Pyramid, was however found to be slow, complicated, and hard to install. This made it difficult for volunteers to be able to get started with maintaining the site. Some improvements were made, but ultimately Pyramid was replaced with a much simpler and faster build system that is custom-designed for python.org. Despite these initial problems with the build software, this project was a success. The look of the site has been improved and moving to a CSS based design and unifor...

  • Release – Python 3.7.7

    Version: None

    Released: March 10, 2020

    Note: The release you are looking at is a 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. The final source-only security fix release for 3.7 was 3.7.17. The Python …

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  • Job - Full-Stack Engineer

    Location: Hamburg Germany

    ## Remote-friendly within Germany You'll join as our full-stack developer, working directly with Janek across backend systems, frontend, and data pipelines, and with Caspar on product strategy and design as features take shape. The product is live and running, and it's time to scale it, evolve it, and make …

  • Release – Python 3.7.0b5

    Version: None

    Released: May 30, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b5, is now the final planned beta release preview. Originally, 3.7.0b4 was intended to be the final beta but, due to some unexpected compatibility issues discovered during beta testing of third-party packages, …

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  • Release – Python 3.5.10rc1

    Version: None

    Released: Aug. 22, 2020

    Python 3.5.10rc1 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.10rc1 was released on August 21st, 2020. Python 3.5 has now entered "security fixes only" mode, and as such the only changes since Python 3.5.4 …

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  • Release – Python 3.5.10

    Version: None

    Released: Sept. 5, 2020

    Python 3.5.10 Python 3.5 has reached end-of-life. Python 3.5.10 is the final release of 3.5. Python 3.5.10 was released on September 5th, 2020. Python 3.5.10 is the final release in the Python 3.5 series. As of this release, the 3.5 branch has been retired, no further …

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  • Release – Python 3.15.0b3

    Version: None

    Released: June 23, 2026

    Here comes the penultimate beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b3, is the third of four planned beta releases, containing around 195 bugfixes, build improvements and documentation changes from 86 contributors since 3.15.0b2. Beta release previews …

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  • Release – Python 3.15.0b4

    Version: None

    Released: July 18, 2026

    Here comes the final beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b4, is the final planned beta release, containing around 298 bugfixes, build improvements and documentation changes since 3.15.0b3. Beta release previews are intended to give the …

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  • Python Success Stories

    ...build its database interface. Python's introspection model had been significantly enhanced with the release of Python 2.2. We decided to use it to build a generic database interface class based on a DBI 2.0 compliant database connector. In this approach, rather than writing queries or table-specific wrappers by hand, a meta-class abstracts all database queries into a single clean API. We create descendents of this meta-class to make an API for each table. Each table's class contains a few class ...

  • Python Success Stories

    ...building various types of meta-classes. For almost every programming task, Python makes it not only possible but quite easy to build meta-code where one might otherwise end up building gobs of manually crafted code. 6) Faster development and deeper prototyping -- Python increases speed of development to the point where prototyping can be integrated into and interleaved with the primary development process. When it takes only half a day to try out a new approach to a problem, rather than the week...

  • Release – Python 3.6.0a1

    Version: None

    Released: May 17, 2016

    Python 3.6.0a1 Python 3.6.0a1 was released on 2016-05-17. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a1 is the first of four planned alpha releases. Alpha releases are intended to make it easier to test the current …

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  • Release – Python 3.6.0a2

    Version: None

    Released: June 13, 2016

    Python 3.6.0a2 Python 3.6.0a2 was released on 2016-06-13. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a2 is the second of four planned alpha releases. Alpha releases are intended to make it easier to test the current …

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  • Release – Python 3.6.0a3

    Version: None

    Released: July 12, 2016

    Python 3.6.0a3 Python 3.6.0a3 was released on 2016-07-12. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a3 is the third of four planned alpha releases. Alpha releases are intended to make it easier to test the current …

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  • Release – Python 3.6.0a4

    Version: None

    Released: Aug. 15, 2016

    Python 3.6.0a4 Python 3.6.0a4 was released on 2016-08-15. Major new features of the 3.6 series, compared to 3.5 Python 3.6 is still in development; 3.6.0a4 is the last of four planned alpha releases. Alpha releases are intended to make it easier to test the current …

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  • Release – Python 3.7.7rc1

    Version: None

    Released: March 4, 2020

    Note Python 3.8 is now the latest feature release series of Python 3. Get the latest release of 3.8.x here. We plan to continue to provide bugfix releases for 3.7.x until mid 2020 and security fixes until mid 2023. Python 3.7.7rc1 is the release candidate preview …

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  • Release – Python 3.7.8

    Version: None

    Released: June 27, 2020

    Note: The release you are looking at is a 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. The final source-only security fix release for 3.7 was 3.7.17. Please see …

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