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  • 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 …

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  • Python Success Stories

    ...global maritime industry and customers in more than 43 countries. The Need for a Ship Building API The building of a ship is initiated by the need to transport goods, people, or firepower. The particular need dictates the dimensions, layout of the cargo area, engine power, and other basic attributes for the ship. The design for the ship then meshes these requirements with strength and safety regulations. Because most transport needs are unique, many ship designs are built only once or only in ...

  • Release – Python 3.13.0rc1

    Version: None

    Released: Aug. 1, 2024

    This is the first release candidate of Python 3.13.0 This release, 3.13.0rc1, 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 …

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  • Release – Python 3.12.6

    Version: None

    Released: Sept. 6, 2024

    This is the sixth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.6 is the latest maintenance release, containing about 90 bugfixes, build improvements and documentation changes since 3.12.5. This is an …

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  • Release – Python 3.13.0rc2

    Version: None

    Released: Sept. 6, 2024

    This is the second release candidate of Python 3.13.0 This release, 3.13.0rc2, is the final release preview. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is scheduled for Tuesday, 2024-10-01. There will be no …

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  • Release – Python 3.13.0rc3

    Version: None

    Released: Oct. 1, 2024

    This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. …

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  • Release – Python 3.13.1

    Version: None

    Released: Dec. 3, 2024

    This is the first 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. 3.13.1 is the latest maintenance release, containing almost 400 bugfixes, build improvements and documentation changes since …

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  • Python Success Stories

    ...global, not local, by default. Python is exactly the other way around, making programs less prone to error. Lua has no list data structure. Although its dictionaries can be used as lists, this caused unnecessary complexity in practice. Lua code is easy to follow for short scripts, but its syntax and minimal standard library makes it unmanageable for larger programs. In a very important project, the Finnish Civil Aviation Administration (FCAA) wanted to run their user interface layouts not jus...

  • Python Success Stories

    ...global locking module, the glock module by Richard Gruet was used to lock the mailboxes. Once messages had been processed and acknowledged, Suzanne had to send requests to the real registration system. Since SOAP is the standard in-house inter-application protocol, AFNIC created a Web service in Python, using ZSI and the standard library's BaseHTTPServer. The SOAP client was the registration system, running Perl. This project used Python version 2.3 and various Unix platforms. Suzanne is very sm...

  • Recurring Giving Campaign

    ...globally $20,000 = ~25 hands-on workshops impacting over 700 people $10,000 = user group meetup fees for 150 groups around the world for 6 months $5,000 = hosting for 3-4 PSF community web services for a year(e.g. Mail.python.org, uspycon.org, wiki.python.org) $2,000 = support for 2 regional conferences, impacting over 500 people $99 = 6 months of Python meetup subscriptions $60 a month ($2.00 a day) = one workshop, impacting over 250 people It's easy to donate Click here to make a one-time...

  • Support Python in 2023!

    ...global Python community together • Make our community more diverse and robust every year. We’re incredibly grateful to be in community with you. Highlights from 2023 PyCon US - We held our 20th PyCon US, in Salt Lake City and online, which was an exhilarating success! For the online component, PyCon US OX, we added two moderated online hallway tracks (in Spanish and English) and saw a 33% increase in virtual engagement. It was great to see everyone again in 2023, and we’re grateful to...

  • 2020 PSF Annual Report

    ...globally. The PSF continues to file necessary trademarks for all these terms and applica- ble logos. This work helps strengthen and protect terms that are staples within our community. Our projects and established Work Groups ac- complished so much last year. PyLadies launched its new governance model. Several of our Work Groups continued their efforts including the Code of Conduct Work Group and the Scientific Work Group. ...

  • Python Distutils-SIG: Design Proposal

    ...global options that it knows about, and saves the rest for the client (setup.py) to deal with; figures out the commands and options for each command, saving them all up for later processing setup.py calls distutils.core.setup (possibly with a distclass argument specifying a subclass of Distribution, probably with a bunch of other named arguments specifying various attributes for the Distribution instance) ...

  • Python Distutils-SIG: Design Proposal

    ...global options that it knows about, and saves the rest for the client (setup.py) to deal with; figures out the commands and options for each command, saving them all up for later processing setup.py calls distutils.core.setup (possibly with a distclass argument specifying a subclass of Distribution, probably with a bunch of other named arguments specifying various attributes for the Distribution instance) ...

  • Python Software Foundation Staff

    ...global Python community, identifying new education and outreach opportunities and increasing technical and organizational capacities. She is a sci-fi nerd who lives with her partner and her lucky black cat in Cambridge, Massachusetts. Loren Crary Deputy Executive Director Loren joined the PSF in November 2021 to grow and diversify the PSF’s base of financial support. She works with members, donors, sponsors, grant-awarding organizations, and the Board of Directors to expand the reso...

  • Python Success Stories

    ...global interpreter lock. Resolver One uses this to run background recalculation threads on different cores, to remain responsive during lengthy calculations. Meanwhile, the concerns about the IronPython project have diminished. The viability and visibility of IronPython has gone from strength to strength. Today, with dynamic languages getting ever more attention, IronPython forms the flagship language for Microsoft's recent Dynamic Language Runtime (DLR), upon which future versions of Visual Bas...

  • What's new in Python 1.5 and beyond

    ...global interpreter lock. There is a -O option that removes SET_LINENO instructions, assert statements and code prefixed with if __debug__: .... (It still only makes a few percent difference, so don't get all worked up about this.) The Grand Renaming is completed: all linker-visible symbols defined by Python now have a "Py" or "_Py" prefix, and the same is true for most macros and typedefs. From 1.5a4 to 1.5b1 If you were an alpha tester, here are the most relevant changes...

  • Python Success Stories

    ...Global Distribution Systems (GDS), as well as directly to suppliers' Central Reservation Systems (CRS), we've now developed a social network to support the growing travel consumer generated content niche. Booking Systems Most GDS's were built in the late 1960's and early 1970's and are mainframe based OLAP systems that handle millions of transactions per day. GDS's work incredibly well and are testament to the skill of the early developers that built them, but they have severe limitations when...

  • PSF Community Service Awards

    ...global Python community, including co-chairing PyLadiesCon, co-founding PyLadies en Español, coordinating Python en Español events, contributing to Python Docs ES, and volunteering at EuroPython and PyCon US. Q2 2026 Community Service Award was given to Paul Everitt for decades of Python community contributions spanning his founding role on the PSF Board of Directors, long-running developer advocacy of Python at JetBrains, and most recently co-authoring PEP 750 to introduce t-strings in Python 3...

  • PSF Grants Program

    ...globally in line with our mission: The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. To facilitate a sustainable grant program, the PSF Board established guiding principles for the program and funding in 2024. Program Guiding Principles The guiding principles of the PSF Grants Program are: Impactful Reliable Equitable...

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