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  • Release – Python 2.5.6

    Version: None

    Released: May 26, 2011

    This is a source-only release that only includes security fixes. The last full bug-fix release of Python 2.5 was Python 2.5.4. User are encouraged to upgrade to the latest release of Python 2.7 (which is 2.7.2 at this point). This release is the final release of Python …

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  • Release – Python 3.8.0b4

    Version: None

    Released: Aug. 29, 2019

    This is a beta preview of Python 3.8 Python 3.8 is still in development. This release, 3.8.0b4 is the last of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects …

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  • Release – Python 3.9.5

    Version: None

    Released: May 3, 2021

    This is the fifth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.5, 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. There's been 111 commits …

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  • 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 so far: PEP 623 …

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  • Release – Python 3.9.10

    Version: None

    Released: Jan. 14, 2022

    This is the ninth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.10, 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. Major new features of …

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  • Python 2.2.3

    Python 2.2.3 Python 2.2.3 We are pleased to announce the release of Python 2.2.3 (final), on May 30, 2003. This is a bug-fix release for Python 2.2 and supersedes the previous bugfix release, Python 2.2.2. Note: there's a security fix for SimpleXMLRPCServer.py. Download the release Windows users should download the Windows installer, Python-2.2.3.exe, run it and follow the friendly instructions on the screen to complete the installation. Windows users may also be interested in Mark Hammon...

  • Python 2.5.5

    Python 2.5.5 Python 2.5.5 We are pleased to announce the release of Python 2.5.5, a security fix release of Python 2.5, on January 31st, 2010. Python 2.5.5 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. The last binary release of Python 2.5 was 2.5.4. This is a source-only release that only includes security fixes. The last full bug-fix release of Python 2.5 was Python 2.5.4. User are encouraged to upgrade to the latest release of Python 2.7 (wh...

  • Python 2.5.6

    Python 2.5.6 Python 2.5.6 We are pleased to announce the release of Python 2.5.6, a security fix release of Python 2.5, on May 26th, 2011. The last binary release of Python 2.5 was 2.5.4. This is a source-only release that only includes security fixes. The last full bug-fix release of Python 2.5 was Python 2.5.4. User are encouraged to upgrade to the latest release of Python 2.7 (which is 2.7.2 at this point). This release is the final release of Python 2.5; under the current release policy...

  • PSF-2006-001 - Buffer overrun in repr() for UCS-4 encoded unicode strings

    PSF-2006-001 - Buffer overrun in repr() for UCS-4 encoded unicode strings <h2>PSF-2006-001 - Buffer overrun in repr() for UCS-4 encoded unicode strings</h2> <hr> <h3>Python Security Advisory</h3> <pre><b> Advisory ID: <a href="/files/news/security/PSF-2006-001/PSF-2006-001.txt">PSF-2006-001</a> Issue Date: October 12, 2006 Product: Python Versions: 2.2, 2.3 prior to 2.3.6, 2.4 prior to 2.4.4, wide unicode (UCS-4) build...

  • 2011-09-19 PSF Board Meeting Minutes

    ...lists (c.l.py, c.l.py.announce, etc.). No progress. Doug also reported on new activities for the month. His list of activities revealed the following: PyArgentina Grant Written by Mike Driscoll Posted 15 Aug: http://pyfound.blogspot.com/2011/08/psf-grants-pyargentina-us1500.html PyCon Ireland Grant Written by Mike Driscoll Posted 2 Sept: http://pyfound.blogspot.com/2011/09/psf-grants-pycon-ireland-us1500.html The twitter team has been busy this month monitoring and re-tweeting information a...

  • 2012-02-27 PSF Board Meeting Minutes

    ...lists (c.l.py, c.l.py.announce, etc.). No progress. Doug also reported on the new activities for the month. He reported: None He reported the following information on the planned activities for next month: Nothing specific. As far as the ongoing projects for the month are concerned, he reported: Brian Curtin is working on a post about the video equipment purchased by the PSF and how it has been used to record conference talks and other events. Recruiting other people to help write for th...

  • Release – Python 3.13.0a1

    Version: None

    Released: Oct. 13, 2023

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a1 is the first of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Python Data Plotting Solutions SIG Issues

    ...lists of requirements, questions about the available software, etc.

  • Python 2.0

    ...lists whose elements are computed from another list (or lists). The simplest form is: [<expression> for <variable> in <sequence>] For example, [i**2 for i in range(4)] yields the list [0, 1, 4, 9]. This is more efficient than a for loop with a list.append() call. You can also add a condition: [<expression> for <variable> in <sequence> if <condition>] For example, [w for w in words if w == w.lower()] would yield the list ...

  • Frank Willison Memorial Award

    ...lists. A PSF director since 2002, he was also the prime mover in transitioning the Python development infrastructure from SourceForge, and has created several Roundup issue trackers for various areas. He chaired the PSF Grants Committee, which among other achievements kept Jython alive when its future looked uncertain. Martin's homepage Steve Holden (2007) In 2003 Steve Holden founded and chaired the first Python community conference, establishing PyCon as the premier event for Pythonist...

  • 2012-01-16 PSF Board Meeting Minutes

    ...lists (c.l.py, c.l.py.announce, etc.). No progress. Doug also reported on the new activities for the month. The list of activities included the following: Grant summary by Mike Driscoll http://pyfound.blogspot.com/2012/01/psf-grants-over-37000-to-python.html Mike Müller Receives PSF Community Service Award http://pyfound.blogspot.com/2012/01/mike-muller-receives-psf-community.html Armin Rigo Receives PSF Community Service Award http://pyfound.blogspot.com/2012/01/armin-rigo-receives-psf-com...

  • email package SIG

    email package SIG email package SIG The email package is a standard Python package that comes with Python. This SIG's mission is to define, implement, enhance, and maintain the email package for Python. Goals include: Improving the API Improving performance and usability Adding support for additional email RFCs Several versions of the email package are available, and may be included with your Python distribution. All are also available as distutils-based standalone pac...

  • Python for Windows

    Python for Windows Python for Microsoft Windows (XP and later releases) Python releases include an excellent Windows installer. See the individual releases for details. You may also wish to download pywin32, Mark Hammond's add-on that includes the Win32 API, COM support, and Pythonwin extensions. It's available from the pywin32 project on SourceForge. Alternative Packages for Windows. ActiveState ActivePython (commercial and community versions, including scientific computing modules). Ac...

  • Current Pre-release Testing Versions

    Current Pre-release Testing Versions This is a list of the current pre-release development versions available for testing. These are preview releases, and their use is not recommended in production settings. Consider your needs carefully before using a version other than the current production versions. Please report any bugs in these versions of Python to the Python issue tracker. See here for more information on reporting issues. Python 3.14.0b3

  • Release – Python 2.3.1

    Version: None

    Released: Sept. 23, 2003

    This is a patch release which supersedes earlier releases of 2.3. 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 …

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