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Python InsiderLanguagesThe Python Insider Blog has moved! Exciting news: We moved the blog! Python Insider now lives at https://blog.python.org , backed by a Git repository. All 307 posts from the Blogger era have been migrated over, and old URLs redirect to the new ones automa

Python InsiderLanguagesJoin the Python Security Response Team! Thanks to the work of the Security Developer-in-Residence Seth Larson, the Python Security Response Team (PSRT) now has an approved public governance document (PEP 811). Following the new governance structure the PSRT no

Python InsiderLanguagesPython 3.15.0 alpha 6 This is an early developer preview of Python 3.15 www.python.org/downloads/release/python-3150a6/ Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a6, is th

Python 3.14.3 and 3.13.12 are now available!

Python InsiderLanguagesPython 3.14.3 and 3.13.12 are now available! Python 3.14.3 is now available! Two snakes enjoying a pie with 3.14 on the top and π crimping 538×507 110 KB This is third maintenance release of Python 3.14 Python 3.14.3 is the third maintenance release of 3.14, contai

Python InsiderLanguagesPython 3.15.0 alpha 5 (yes, another alpha!) 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 www.pyt

Python InsiderLanguagesPython 3.15.0 alpha 4 Edit: This 3.15.0a4 was accidentally built against `main` from 2025-12-23 instead of 2026-01-13, so 3.15.0a5 is an extra release correctly built against 2026-01-14. This is an early developer preview of Python 3.15 www.p

Python InsiderLanguagesPython 3.15.0 alpha 3 This is an early developer preview of Python 3.15 www.python.org/downloads/release/python-3150a3/ 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 th

Python InsiderLanguagesPython 3.14.2 and 3.13.11 are now available! Two more, just three days after the last? Yes! We found some regressions, so here’s an expedited pair of releases. They also come with some bonus security fixes. Python 3.14.2 www.python.org/downloads/release/python-3142

Python InsiderLanguagesPython 3.13.10 is now available, too, you know! The latest version of Python 3.13 is now available! Python 3.13.10 https://www.python.org/downloads/release/python-31310/ This is the tenth maintenance release of Python 3.13 Python 3.13.10 is the tenth maintenance relea

Python 3.14.1 is now available!

Python InsiderLanguagesPython 3.14.1 is now available! This is first maintenance release of Python 3.14 Python 3.14.1 is the first maintenance release of 3.14, containing around 558 bugfixes, build improvements and documentation changes since 3.14.0. www.python.org/downloads

Python InsiderLanguagesPython 3.15.0 alpha 2 This is an early developer preview of Python 3.15 https://www.python.org/downloads/release/python-3150a2/ Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a

Python InsiderLanguagesPython 3.15.0 alpha 1 This is an early developer preview of Python 3.15 https://www.python.org/downloads/release/python-3150a1/ Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a

Python InsiderLanguagesPython 3.13.9 is now available! Python 3.13.9 https://www.python.org/downloads/release/python-3139/ 3.13.9 is an expedited release containing a fix for one specific regression in Python 3.13.8: gh-139783 : Fix inspect.getsourcelines for the case when a

Python InsiderLanguagesPython 3.12.12, 3.11.14, 3.10.19 and 3.9.24 are now available! Old-timer Release Party We couldn’t just let Hugo have fun with 3.14.0, so here are new security releases of the venerated Python versions, 3.12 through 3.9! Security content in these releases XML-related gh-139312 : Upg

Python 3.14.0 (final) is here!

Python InsiderLanguagesPython 3.14.0 (final) is here! Python 3.14.0 is now available python.org/downloads/release/python-3140/ This is the stable release of Python 3.14.0 Python 3.14.0 is the newest major release of the Python programming language, and it contains many new

Python InsiderLanguagesPython 3.13.8 is now available The latest version of Python 3.13 is now available! Python 3.13.8 https://www.python.org/downloads/release/python-3138/ This is the eighth maintenance release of Python 3.13 Python 3.13 is the newest previous major relea

Python InsiderLanguagesPython 3.14.0rc3 is go! It’s 🪄 finally 🪄 the final 3.14 release candidate! https://www.python.org/downloads/release/python-3140rc3/ Note: It’s another magic release. We fixed another bug that required bumping the magic number stored in Python b

Python InsiderLanguagesPython 3.14.0rc2 and 3.13.7 are go! Not one but two expedited releases! 🎉 🎉 Python 3.14.0rc2 It’s the final 🪄 penultimate 🪄 3.14 release candidate! https://www.python.org/downloads/release/python-3140rc2/ Note: rc2 was originally planned for 2025-08-26, bu

Python InsiderLanguagesPython 3.13.6 is now available The latest version of Python 3.13 is now available! Python 3.13.6 https://www.python.org/downloads/release/python-3136/ This is the sixth maintenance release of Python 3.13 Python 3.13 is the newest major release of the

Python InsiderLanguagesPython 3.14 release candidate 1 is go! 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 th

Python InsiderLanguagesPython 3.14.0 beta 4 is here! It’s the final 3.14 beta! https://www.python.org/downloads/release/python-3140b4/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b4, is the last of four planned beta releas

Python InsiderLanguagesPython 3.14.0 beta 3 is here! It’s 3.14 beta 3! https://www.python.org/downloads/release/python-3140b3/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b3, is the third of four planned beta releases. Bet

Python InsiderLanguagesPython 3.13.5 is now available! When I was younger we would call this a brown paper bag release, but actually, we shouldn’t hide from our mistakes. We’re only human. So, please enjoy: Python 3.13.5 https://www.python.org/downloads/release/python-3135/

Python InsiderLanguagesPython 3.13.4, 3.12.11, 3.11.13, 3.10.18 and 3.9.23 are now available Python Release Party It was only meant to be release day for 3.13.4 today, but poor number 13 looked so lonely… And hey, we had a couple of tarfile CVEs that we had to fix. So most of the Release Managers and all the Dev

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Accept All is a magazine, a radar and a diary about artificial intelligence and the craft of code — read from Tokyo, for people who build.

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