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  • Release – Python 3.15.0a1

    Version: None

    Released: Oct. 14, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a1 is the first of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Release – Python 3.15.0a2

    Version: None

    Released: Nov. 19, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a2, is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Release – Python 3.15.0a3

    Version: None

    Released: Dec. 16, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a3, is the third of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • PSF Community Service Awards

    ...help organize the PyLadies Dublin chapter. Additionally, Vicky has been an active contributor to the PSF's Grants WG since the beginning and continues to provide helpful feedback and reviews. She also helps with EuroPython, Python Ireland, and past PyCon Ireland events. March 2021 The Q2 2021 Community Service Award was given to Dori Czapari. Dori has contributed many efforts towards diversity and inclusivity work in the Hungarian Python community, tireless and year-long organization of Djan...

  • 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) …

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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) …

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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) …

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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) …

  • Release – Python 2.7.9rc1

    Version: None

    Released: Nov. 26, 2014

    Python 2.7.9rc1 is the first release candidate for the next bugfix version of the Python 2.7 series. Python 2.7.9 will include several significant changes unprecedented in a "bugfix" release: The entirety of Python 3.4's ssl module has been backported for Python 2.7.9. See PEP 466 for justification. …

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  • 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 …

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  • Release – Python 3.3.7

    Version: None

    Released: Sept. 19, 2017

    Python 3.3.x has reached end-of-life. This is its final release. It is a security-fix source-only release. 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 ended on 2017-09-29, five years after …

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  • Release – Python 3.12.0a3

    Version: None

    Released: Dec. 6, 2022

    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, 3.12.0a3 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test …

  • Python 3.3.5 release

    ...help with porting PEP 418, extended platform-independent clocks in the "time" module PEP 412, a new key-sharing dictionary implementation that significantly saves memory for object-oriented code PEP 362, the function-signature object The new "faulthandler" module that helps diagnosing crashes The new "unittest.mock" module The new "ipaddress" module The "sys.implementation" attribute A policy framework for the email package, with a provisional (s...

  • PSF Developers in Residence

    ...helping introduce a more modern, user-friendly Python shell—to keeping releases on track and stable. As a longtime release manager and core developer, he’s been involved in many versions of Python, making sure things run smoothly behind the scenes. Łukasz also spends time mentoring others and supporting big-picture changes that help Python grow and evolve for the long term. Łukasz's role is generously sponsored by Meta. Find Łukasz on all the platforms via his website. Mike Fiedler As PyPI’s so...

  • Release – Python 3.14.0a1

    Version: None

    Released: Oct. 15, 2024

    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, 3.14.0a1 is the first of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Release – Python 3.14.0a4

    Version: None

    Released: Jan. 14, 2025

    Hello, three dot fourteen dot zero alpha four! 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, 3.14.0a4, is the fourth of seven planned alpha releases. Alpha releases …

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  • Release – Python 3.15.0a5

    Version: None

    Released: Jan. 14, 2026

    Note: 3.15.0a4 was accidentally built against main from 2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release correctly built against 2026-01-14. This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in …

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  • PSF Fundraiser for Q2 2021

    ...helped us come this far. To continue this growth, we need your help raising $80,000 by June 12th. Your donation allows the PSF to continue to provide PyCon scholarships, grants, and support the advancement of the Python language. Your support also allows us to sustain the new Developer-in-Residence program and the Packaging Project Manager position. Our fundraising goal of $80,000 is only a small portion of what is needed to provide these critical programs for our community. To e...

  • SIG for XML Processing in Python

    ...helping to decide what software is required for this purpose, and coordinate its implementation and documentation.

  • PSF participation in the 2007 Google Summer of Code

    ...helped the Python community (rather than "simply being written in Python") In hindsight, I do think this led to a reduction in the number of applications we received. Other organizations reported a high rate of success on projects initiated by the student and so it may be worth revisiting 1 above. 51 people signed up to be mentors. The majority of these were lead developers from Python-related projects although there were a number of core developers that signed up as well. We receiv...

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