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 3.11.15

    Version: None

    Released: March 3, 2026

    This is a security release of Python 3.11 Note: The release you're looking at is Python 3.11.15, a security bugfix release for the legacy 3.11 series. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Security content …

    View Release Notes

  • Release – Python 3.10.20

    Version: None

    Released: March 3, 2026

    This is a security release of Python 3.10 Note: The release you're looking at is Python 3.10.20, a security bugfix release for the legacy 3.10 series. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Security content …

    View Release Notes

  • Python Software Foundation: Press Release 27-Dec-2004

    ...Python Software Foundation PYCON 2005 - THIRD ANNUAL PYTHON DEVELOPERS CONFERENCE Keynote Speech by Jim Hugunin, author of IronPython. FREDERICKSBURG, Va., December 27, 2004 -- PyCon 2005, the third annual Python developers' conference, will be held at George Washington University's Cafritz Conference Center in Washington DC on March 23-25, 2005. The keynote speaker will be Jim Hugunin, author of IronPython. IronPython is a new implementation of the Python programming language ...

  • Release – Python 3.9.4

    Version: None

    Released: April 4, 2021

    This is the fourth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.4, 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. Python 3.9.4 …

    View Release Notes

  • Release – Python 3.3.6rc1

    Version: None

    Released: Oct. 4, 2014

    This is a security-fix source-only release. The last binary release was 3.3.5. The list of fixed security related issues can be found in the NEWS file. Major new features of the 3.3 series, compared to 3.2 Python 3.3 includes a range of improvements of …

    View Release Notes

  • Python Software Foundation: Press Release 13-Feb-2003

    ...Python users and developers: pycondc-2003@python.org. In addition to the Python Software Foundation, other sponsors of the event are software companies involved in the Python community, including Active State, Zeomega, Archaeopteryx Software, and Zoteca. About Python Python is a powerful object oriented programming language that is developed and maintained by a global community of Open Source contributors, under the oversight of the Python Software Foundation (PSF). Python's unique ...

  • Python Software Foundation: Press Release 9-Feb-2004

    ...Python runs on Microsoft Windows, Mac OS X, Linux, Unix, OS/2, WinCE, and many other operating systems. Full source code is available for the language and associated standard libraries. Additional information and downloads are available at www.python.org. About the PSF The Python Software Foundation (PSF) is a non-profit organization devoted to advancing Open Source technology related to the Python programming language. The PSF holds the intellectual property rights to Python and p...

  • Release – Python 3.13.12

    Version: None

    Released: Feb. 3, 2026

    This is the twelfth maintenance release of Python 3.13 Note: This is Python 3.13.12, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.12 is the twelfth maintenance release of …

    View Release Notes

  • Release – Python 3.13.13

    Version: None

    Released: April 7, 2026

    This is the thirteenth maintenance release of Python 3.13 Note: This is Python 3.13.13, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.13 is the lucky thirteenth maintenance release …

    View Release Notes

  • Release – Python 3.13.14

    Version: None

    Released: June 10, 2026

    This is the fourteenth maintenance release of Python 3.13 Note: This is Python 3.13.13, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.14 is the fourteenth maintenance release of …

    View Release Notes

  • Release – Python 3.14.0a5

    Version: None

    Released: Feb. 11, 2025

    Here comes the antepenultimate alpha. This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a5, is the fifth of seven planned alpha releases. Alpha releases are intended to …

    View Release Notes

  • Release – Python 3.13.9

    Version: None

    Released: Oct. 14, 2025

    This is the ninth maintenance release of Python 3.13 Note: This is Python 3.13.9, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. 3.13.9 is an expedited release containing a fix …

    View Release Notes

  • Foreword for "Programming Python" (2nd ed.)

    ...Python" (2nd ed.) Foreword for "Programming Python" (2nd ed.) This is the foreword I wrote for Mark Lutz' book "Programming Python" (2nd ed.), published by O'Reilly in 2001. Less than five years ago, I wrote the foreword for the 1st edition of Programming Python. Since then, the book has changed about as much as the language and the Python community! I no longer feel the need to defend Python: the statistics and developments listed in Mark's Preface speak for themselves. ...

  • Notes

    ...Python modules. The hole was quickly plugged in zlib-1.1.4, and the Windows build of Python now ships with zlib-1.1.4. Windows The installer now installs Start menu shortcuts under (the local equivalent of) "All Users" when doing an Admin install. If you do what it takes to compile SSL support for Windows, a bug in httplib.py prevented SSL from working correctly. That bug has been fixed, but note that SSL support on Windows is still not enabled in this release. What's New in Pyt...

  • Release – Python 3.13.11

    Version: None

    Released: Dec. 5, 2025

    This is the eleventh maintenance release of Python 3.13 Note: This is Python 3.13.11, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.11 is the eleventh maintenance release of …

    View Release Notes

  • Release – Python 3.13.4

    Version: None

    Released: June 3, 2025

    This is the fourth maintenance release of Python 3.13 Python 3.13 is the newest major release of the Python programming language, and it contains many new features and optimizations compared to Python 3.12. 3.13.4 is the latest maintenance release, containing a few important security fixes as well as around …

    View Release Notes

  • Notes

    ...pythonw" that runs your script with an interpreter living in such a .app bundle, this interpreter should be used to run any Python script using the window manager (including Tkinter or wxPython scripts). Most of Mac/Lib has moved to Lib/plat-mac, which is again used both in MacPython-OSX and MacPython-OS9. The only modules remaining in Mac/Lib are specifically for MacPython-OS9 (CFM support, preference resources, etc). A new utility PythonLauncher will start a Python interpreter when a .py ...

  • Python Success Stories

    ...Python a mainstay since 1994 Enter Python. "We'd been using Python since 1994," says Friedrich, "when I literally stumbled across Python as I was searching the pre-Web Gopher FTP space for some help with a C++ project we were doing." Being an inveterate systems engineer, Friedrich "just had to investigate it." He was stunned by what he discovered. "Twenty minutes after my first encounter with Python, I had downloaded it, compiled it, and installed it on my SPAR...

  • Python 2.4.1 - Release Notes

    ...pythonw" that runs your script with an interpreter living in such a .app bundle, this interpreter should be used to run any Python script using the window manager (including Tkinter or wxPython scripts). Most of Mac/Lib has moved to Lib/plat-mac, which is again used both in MacPython-OSX and MacPython-OS9. The only modules remaining in Mac/Lib are specifically for MacPython-OS9 (CFM support, preference resources, etc). A new utility PythonLauncher will start a Python interpreter when a .py ...

  • Parade of the PEPs

    ...Python code broken with this. No array attributes (namely shape, flat, real and imag) for Python versions previous to 2.2 (we use the properties feature to support this for 2.2 and later; so it is only incompatible with Numeric with older versions of Python) There are more minor differences, but these are the major backward compatiblity issues at the Python level. Two of them should not be problems for most users using Python 2.2 or later. It does have a number of importa...

Python language documentation

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