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  • Python 3.5.2

    Python 3.5.2 Python 3.5.2 Note: Python 3.5.2 has been superseded by Python 3.5.6. Python 3.5.2 was released on June 26th, 2016. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series are PEP 441, improved Python zip application support PEP 448, additional unpacking generalizations PEP 461, "%-formatting" for bytes and bytearray objects PEP 465, a new operator (@) for matrix multiplication PEP 471, os.scandir...

  • Python 3.5.1

    Python 3.5.1 Python 3.5.1 Note: Python 3.5.1 has been superseded by Python 3.5.6. Python 3.5.1 was released on December 6th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series are PEP 441, improved Python zip application support PEP 448, additional unpacking generalizations PEP 461, "%-formatting" for bytes and bytearray objects PEP 465, a new operator (@) for matrix multiplication PEP 471, os.scan...

  • Release – Python 3.9.3

    Version: None

    Released: April 2, 2021

    This is the third maintenance release of Python 3.9 NOTE: The release you're looking at has been recalled due to unintentional breakage of ABI compatibility with C extensions built in Python 3.9.0 - 3.9.2. Details in bpo-43710. Please use Python 3.9.4 or newer instead. Python 3.9.3 is an …

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  • Release – Python 3.4.0

    Version: None

    Released: March 17, 2014

    Python 3.4.0 Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.0 was released on March 16th, 2014. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds …

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  • Software Bill-of-Materials Information

    Software Bill-of-Materials Information Information on CPython release artifacts Software Bills-of-Material (SBOMs) Background Starting with the Python 3.12.2 release, CPython release artifacts include Software Bill-of-Materials (SBOM) documents. This page provides guidance on downloading and using Software Bill-of-Materials documents describing CPython release artifacts. Currently SBOM documents are only available for source code releases. What is a Software Bill-of-Materials (SBOM)? Software B...

  • Software Bill-of-Materials Information

    Software Bill-of-Materials Information Information on CPython release artifacts Software Bills-of-Material (SBOMs) Background Starting with the Python 3.12.2 release, CPython release artifacts include Software Bill-of-Materials (SBOM) documents. This page provides guidance on downloading and using Software Bill-of-Materials documents describing CPython release artifacts. Currently SBOM documents are only available for source code releases. What is a Software Bill-of-Materials (SBOM)? Software B...

  • Python 3.3.5 release

    Python 3.3.5 release Python 3.3.x has reached end-of-life. Python 3.3.7, the final security-fix release, is available here. Python 3.3.5 was released on March 9th, 2014. Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.pyt...

  • Release – Python 3.4.0rc3

    Version: None

    Released: March 10, 2014

    Python 3.4.0rc3 Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.0 release candidate 3 was released on March 9th, 2014. This is a preview release of the next major release of Python, Python 3.4, and is not suitable for production …

  • Python 3.4.1

    Python 3.4.1 Python 3.4.1 Note: Python 3.4.1 has been superseded by Python 3.4.9. Python 3.4.1 was released on May 18th, 2014. Python 3.4.1 has over three hundred bugfixes and other improvements over 3.4.0. One notable change: the version of OpenSSL bundled with the Windows installer no longer has the "HeartBleed" vulnerability. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improveme...

  • Python 3.4.2

    Python 3.4.2 Python 3.4.2 Note: Python 3.4.2 has been superseded by Python 3.4.9. Python 3.4.2 was released on October 8th, 2014. Python 3.4.2 has many bugfixes and other small improvements over 3.4.1. One new feature for Mac OS X users: the OS X installers are now distributed as signed installer package files compatible with the OS X Gatekeeper security feature. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hu...

  • Python 3.4.3

    Python 3.4.3 Python 3.4.3 Note: Python 3.4.3 has been superseded by Python 3.4.9. 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 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are PEP 428, a "pathlib" module prov...

  • Python 3.4.5

    Python 3.4.5 Python 3.4.5 Note: Python 3.4.5 has been superseded by Python 3.4.9. Python 3.4.5 was released on June 26th, 2016. Python 3.4.5 is now in "security fixes mode". The only changes added since Python 3.4.4 are security fixes. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are ...

  • Release – Python 3.7.14

    Version: None

    Released: Sept. 6, 2022

    Note: The release you are looking at is a security 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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  • Release – Python 3.3.5rc1

    Version: None

    Released: Feb. 23, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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  • Release – Python 3.3.5rc2

    Version: None

    Released: March 2, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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  • Release – Python 3.3.5

    Version: None

    Released: March 9, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

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  • Release – Python 3.3.5rc1

    Version: None

    Released: Feb. 23, 2014

    Python 3.3.5 includes fixes for these important issues: a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621) a 3.3.4 regression executing scripts with a coding declared and Windows newlines (see http://bugs.python.org/issue20731) potential DOS using compression codecs in bytes.decode() (see http://bugs.python.org/issue19619 and http://bugs.python.org/issue20404) and also fixes quite a few other …

  • 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 2017-09-29 …

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  • Release – Python 3.4.1

    Version: None

    Released: May 19, 2014

    Python 3.4.1 Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.1 was released on May 18th, 2014. Python 3.4.1 has over three hundred bugfixes and other improvements over 3.4.0. One notable change: the version of OpenSSL bundled with the Windows …

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  • Release – Python 3.4.2rc1

    Version: None

    Released: Sept. 22, 2014

    Python 3.4.2rc1 Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.2rc1 was released on September 22nd, 2014. Python 3.4.2 has many bugfixes and other small improvements over 3.4.1. One new feature for Mac OS X users: the OS X installers …

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