Notice: This page displays a fallback because interactive scripts did not run. Possible causes include disabled JavaScript or failure to load scripts or stylesheets.

≡ Menu

Search Python.org

Results

  • Release – Python 2.5.0

    Version: None

    Released: Sept. 19, 2006

    Python 2.5 was released on September 19th 2006. There's a bunch of places you can look for more information on what's new in this release -- see the "What's New" section further down this page. This is a final release, and should be suitable for production use. …

    View Release Notes

  • Release – Python 3.15.0rc3

    Version: None

    Released: Oct. 2, 2026

    Following recent tradition, here's a surprise third release candidate for Python 3.15.0! We got some last-minute lazy-import release blockers, and it makes sense to include them in 3.15.0 final. It also makes sense to give a bit of time to test them properly, so this week's …

    View Release Notes

  • Release – Python 3.10.0

    Version: None

    Released: Oct. 4, 2021

    This is the stable release of Python 3.10.0 Python 3.10.0 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.10 series, compared to 3.9 Among the new major new features and changes …

    View Release Notes

  • Release – Python 3.15.0b2

    Version: None

    Released: June 2, 2026

    Here comes the antepenultimate beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b2, is the second of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and …

    View Release Notes

  • 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 …

    View Release Notes

  • 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 …

    View Release Notes

  • Release – Python 3.9.0rc2

    Version: None

    Released: Sept. 17, 2020

    This is the second release candidate of Python 3.9 This release, 3.9.0rc2, is the last preview before the final release of Python 3.9.0 on 2020-10-05. In the mean time, we strongly encourage maintainers of third-party Python projects to prepare their projects for 3.9 compatibility during this phase. As …

    View Release Notes

  • Release – Python 3.15.0rc1

    Version: None

    Released: Aug. 4, 2026

    It's the first 3.15 release candidate! This is a candidate preview of Python 3.15 This release, 3.15.0rc1, is the first of two planned candidate releases. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the …

    View Release Notes

  • Release – Python 3.9.0rc1

    Version: None

    Released: Aug. 11, 2020

    This is the first release candidate of Python 3.9 This release, 3.9.0rc1, is the penultimate release preview. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the final release. The second candidate and the last planned …

    View Release Notes

  • 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 …

    View Release Notes

  • Release – Python 3.15.0rc2

    Version: None

    Released: Sept. 1, 2026

    It's the final 3.15 release candidate! This is a candidate preview of Python 3.15 This release, 3.15.0rc2, is the final planned release candidate, containing around 144 bugfixes, build improvements and documentation changes from 76 contributors since 3.15.0rc1. Entering the release candidate phase, only reviewed code changes which …

    View Release Notes

  • Release – Python 3.15.0

    Version: None

    Released: Oct. 9, 2026

    This is the stable release of Python 3.15.0 Python 3.15.0 is the newest major release of the Python programming language, and it contains many new features and optimisations compared to Python 3.14, in 5,643 commits from 1,012 contributors. Major new features of the 3.15 series, compared to …

    View Release Notes

  • 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 …

    View Release Notes

  • Release – Python 3.15.1

    Version: None

    Released: Oct. 21, 2026

    This is the first maintenance release of Python 3.15 Python 3.15.1 is an expedited security release and the first maintenance release of 3.15, containing around 330 bugfixes, build improvements and documentation changes from 117 contributors since 3.15.0. Security content in this release This release upgrades the …

    View Release Notes

  • Release – Python 3.9.1

    Version: None

    Released: Dec. 7, 2020

    This is the first maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.1, 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 release of 3.11.x here. We've made …

    View Release Notes

  • Release – Python 2.4.2

    Version: None

    Released: Sept. 27, 2005

    We are pleased to announce the release of Python 2.4.2 (final), a bugfix release, on September 28, 2005. 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 …

    View Release Notes

  • Release – Python 2.5.2

    Version: None

    Released: Feb. 21, 2008

    Python 2.5.2 was released on February 21st, 2008. This is the second bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 100 bugs and patches have been addressed since Python 2.5.1, many of …

    View Release Notes

« Previous | Next »

Python language documentation

If you didn't find what you need, try your search in the Python language documentation.