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  • Python 2.5 Documentation

    ...What's New in Python 2.5 (changes since previous major release) Tutorial (start here) Global Module Index (for quick access to all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python M...

  • Python 2.5.2 Documentation

    ...What's New in Python 2.5 (changes since previous major release) Tutorial (start here) Global Module Index (for quick access to all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python M...

  • Python 2.5.3 Documentation

    ...What's New in Python 2.5 (changes since previous major release) Tutorial (start here) Global Module Index (for quick access to all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python M...

  • Python 2.5.4 Documentation

    ...What's New in Python 2.5 (changes since previous major release) Tutorial (start here) Global Module Index (for quick access to all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python M...

  • Python 2.1.1

    ...What's New? We've been very careful to fix only bugs and not add new features. Thanks to Thomas Wouters for taking care of the thankless chore of poring over the CVS logs and SourceForge bug reports and re-applying selected patches! For the full scoop, see the release notes. Download the release Windows users should download Python-2.1.1.exe, the Windows installer, from one of the download locations below, run it, and follow the friendly instructions on the screen to ...

  • Python Software Foundation: Minutes of Board of Directors Meeting (May 11, 2004)

    ...what precisely this request means; it agreed that the PSF can offer Opsware to remove their company logo from python.org if they want to. The membership roll is public, so if they really don't want to be listed as a sponsor member anymore, they should terminate their membership. Stephan will present these options to them. 7. Recognizing the Las Vegas User Group The Las Vegas Python User Group has asked that the PSF "recognizes" them, because some library required such recognition. David Ascher...

  • PSF Fundraiser for Q2 2021

    ...what is needed to provide these critical programs for our community. To ensure that the Python Software Foundation can continue to provide these resources for the next twenty years, make a donation right now. As an added bonus, if you give $99+ or become a PSF supporting member ($99 per year) before June 12, 2021 and you will receive an exclusive Python T-shirt, not available in stores (for donations given between May 28, 2021 and June 12, 2021, shipping starts at the end of August). Che...

  • Release – Python 3.14.5

    Version: None

    Released: May 10, 2026

    Python 3.14.5 final is the fifth maintenance release of 3.14, containing around 154 bugfixes, build improvements and documentation changes since 3.14.4. https://www.python.org/downloads/release/python-3145/ Garbage collector Notably, the garbage collector (GC) has changed in Python 3.14.5. The incremental garbage collector shipped in Python 3.14.0-3.14.4 has been reverted back …

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  • Python Success Stories

    ...What was needed was a content management system that allowed for distributed editing and centralized editorial control that had to be fully accessible to the disabled. To further complicate things, an Executive Memorandum from President Bush mandated the site go live within sixty days. While some work had already been started and a previous generation of the site existed, there was still an incredibly tight deadline to meet. As the site was to be one of a handful of sites mandated by the White H...

  • Support the PSF with a Donation or by becoming a Supporting Member!

    ...What does the Python Software Foundation do? The Python Software Foundation: Awards grants and provides resources for furthering the development and adoption of Python. Organizes and hosts the annual PyCon US conference. 2019 brought together 3,393 attendees from 55 countries, a new record for PyCon US! Our sponsors’ support enabled us to award $137,200 USD to 143 attendees. Pays for hardware and other costs for hosting the python.org servers. Hosts the ...

  • Python 1.6

    Python 1.6 Python 1.6 Note: See the download pages for more recent releases. The final version of Python 1.6 is released on September 5, 2000. (What's new?) CNRI has placed an open source license on this version. CNRI believes that this version is compatible with the GPL, but there is a technicality concerning the choice of law provision, which Richard Stallman believes may make it incompatible. CNRI is still trying to work this out with Stallman. Future versions of Python ...

  • Python Software Foundation Board Meeting Minutes 2006-04-10

    ...what the membership wants to do about them." Status: dropped. Section 4, Other Business: Steve Holden will contact Brian Fitzpatrick, VP of public relations for the Apache Software Foundation. Status: carried forward. Section 4, Other Business: David Goodger will create a calendar of recurring PSF business events to remember. Status: carried forward. Section 4, Other Business: Martin v. Löwis will update the list of email addresses of PSF members. Status: carried forward. Section 4, Oth...

  • Release – Python 3.12.0a7

    Version: None

    Released: April 4, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a7 is the seventh and final alpha release of 3.12. Alpha releases are intended to make it easier to …

  • Highlights: Python 2.5

    ...What's New In Python 2.5 More Reliable Python now uses the Buildbot tool for continuous testing on a wide range of platforms. This allows us to spot problems faster during development, and resulted in a much more robust release. Andrew Kuchling determined that there were over 350 patches and over 450 bugs fixed since Python 2.4. Faster A number of optimizations came out of the NeedForSpeed sprint in Iceland. There were major speedups in exception handling and string operations, as well as a ...

  • Contributing to the PSF

    ...what they permit, and they should not only include a copyright grant (in particular to reproduce and prepare derivative works), but also a license grant to all relevant patents that the contributor holds. As most contributors do not hold any patents (at least none relevant for the contribution), the patent grant is likely irrelevant for most contributors. For more information on licensing and the PSF contribution process, please see the PSF Licensing FAQ. Submission instructions ...

  • Python Software Foundation: Minutes of Board of Directors Meeting (Januar 13, 2004)

    ...what sprint to allocate the funds to. The sprint leader and the sprint chair must agree on how the monies are to be disbursed. Any reimbursement for travel or other expenses must be made based on submission of receipts. The motion passed with 4/2/0. It is then further RESOLVED, that sprint leaders who organize and run sprints with at least two other full-time attendants get waived admission to the conference if they want it. The motion passed with 6/0/0. Finally, it is RESOLVED, th...

  • Python Software Foundation: Minutes of Board of Directors Meeting (December 14, 2004)

    ...what the proposal states, * proposer will send regular progress reports to the PSF Grants Committee, and * payment will be made in installments. The proposals list deliverables and payment will be made in part up front and then after each deliverable is received. RESOLVED, that the PSF accepts the recommendation of the grants committee to execute the following three projects in 2005: 1. Brian Zimmer, Moving Jython Forward, US$10,000 2. Ilya Etingof, implementation of SNMPv3...

  • Release – Python 3.14.0rc1

    Version: None

    Released: July 22, 2025

    It's the first 3.14 release candidate! https://www.python.org/downloads/release/python-3140rc1/ This is the first release candidate of Python 3.14 This release, 3.14.0rc1, 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 …

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  • Release – Python 3.14.5rc1

    Version: None

    Released: May 4, 2026

    Python 3.14.5rc1 is a release candidate for the fifth maintenance release of 3.14, containing around 113 bugfixes, build improvements and documentation changes since 3.14.4. Garbage collector Notably, the garbage collector (GC) has changed in Python 3.14.5rc1. The incremental garbage collector shipped in Python 3.14.0-3.14.4 has been reverted …

    View Release Notes

  • Python Success Stories

    ...what amounted to the bulk of the code in the system. There was also a very strong contingent that favored porting significant portions of our BSL code to C++. As far as interpreted languages go, everybody seemed to have a preference that wasn't Python. In the end, after much discussion, Python prevailed and the senior developers came to agree that moving to Python was the right thing to do. What ultimately closed the decision was the fact that it would have taken about three months to port the B...

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