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27 posts · Last used 6h

Hugo van Kemenade @hugovk@mastodon.social
· 24mo ago
Replying to
Just released: blurb 1.3.0 🚀 blurb is the CLI we use for managing CPython's news/changelog entries. 🗞️ Add support for Python 3.13 🗞️ Drop support for Python 3.8 🗞️ Generate digital attestations for PyPI (PEP 740) 🗞️ Allow running blurb test from blurb-* directories by 🗞️ Add version subcommand 🗞️ Generate __version__ at build to avoid slow importlib.metadata https://pypi.org/project/blurb/1.3.0/ #Python #CPython #blurb #release #CLI #changelog #news #PEP740 #Python313 #Python38
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Hugo van Kemenade @hugovk@mastodon.social
· 23mo ago
Replying to
Just released: Python 3.14.0a2 🚀 https://discuss.python.org/t/python-3-14-0-alpha-2/71711 🐍 PEP 649: Deferred evaluation of annotations 🐍 PEP 741: Python configuration C API 🐍 PEP 761: Deprecating PGP signatures for CPython artifacts 🐍 Improved error messages 🐍 And more! https://docs.python.org/3.14/whatsnew/3.14.html #Python #CPython #Python314 #release #PEP649 #PEP741 #PEP761
Python 3.14.0 alpha 2
Discussions on Python.org

Python 3.14.0 alpha 2

Alpha 2? But Alpha 1 only just came out! 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, 3.14.0a2 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until the start of the beta phase (2025-05-06) and, if n

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Hugo van Kemenade @hugovk@mastodon.social
· 22mo ago
Replying to
Just released: Python 3.14.0a3 🚀 https://discuss.python.org/t/python-3-14-0-alpha-3/74542 https://docs.python.org/3.14/whatsnew/ This release brought to you by tea and homemade mince pies. #Python #CPython #Python314 #release #food
Python 3.14.0 alpha 3
Discussions on Python.org

Python 3.14.0 alpha 3

O Alpha 3, O Alpha 3, how lovely are your branches! https://www.python.org/downloads/release/python-3140a3/ 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, 3.14.0a3, is the third of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be

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Hugo van Kemenade @hugovk@mastodon.social
· 22mo ago
Replying to
Oh, and taking inspiration from #pytest, I added colour to #unittest output in this one 🎨 https://docs.python.org/3.14/whatsnew/3.14.html#unittest #Python #CPython #Python314 #release
What’s new in Python 3.14
Python documentation

What’s new in Python 3.14

Editors, Adam Turner and Hugo van Kemenade,. This article explains the new features in Python 3.14, compared to 3.13. Python 3.14 was released on 7 October 2025. For full details, see the changelog...

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Hugo van Kemenade @hugovk@mastodon.social
· 21mo ago
Replying to
Just released: Python 3.14.0a4 🚀 https://discuss.python.org/t/python-3-14-0-alpha-4/77112 https://docs.python.org/3.14/whatsnew/3.14.html Here's one amazing reason to try it out! 🗓️🎨 #Python #CPython #Python314 #release
Python 3.14.0 alpha 4
Discussions on Python.org

Python 3.14.0 alpha 4

Hello, three dot fourteen dot zero alpha four! https://www.python.org/downloads/release/python-3140a4/ 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 are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be add

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Hugo van Kemenade @hugovk@mastodon.social
· 20mo ago
Replying to
Just released: Python 3.14.0a5 🚀 https://discuss.python.org/t/python-3-14-0-alpha-5/80364 https://docs.python.org/3.14/whatsnew/3.14.html Also recently released! blurb 2.0.0 cherry-picker 3.5.0 pypistats 1.8.0 PrettyTable 3.13.0 & 3.14.0 tox-dev/action-pre-commit-uv 1.0.2 em-keyboard 5.0.0 #Python #CPython #Python314 #release
Python 3.14.0 alpha 5
Discussions on Python.org

Python 3.14.0 alpha 5

Here comes the antepenultimate alpha. https://www.python.org/downloads/release/python-3140a5/ 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 make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up unti

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Hugo van Kemenade @hugovk@mastodon.social
· 19mo ago
Replying to
Especially for π day and #FediDonutFriday! Just released: Python 3.14.0a6 🚀 https://discuss.python.org/t/python-3-14-0-alpha-6/84513 https://docs.python.org/3.14/whatsnew/3.14.html This release brought to you by a Karelian pie (Karjalanpiirakka), a strawberry and gooseberry pie (mansikka-karviais piirakka) and a slice of blueberry pie (mustikkapiirakka). #Python #CPython #Python314 #release #food #PiDay #PiiPäivä #pie #FediDonutFriday
Python 3.14.0 alpha 6
Discussions on Python.org

Python 3.14.0 alpha 6

Here comes the penultimate alpha. https://www.python.org/downloads/release/python-3140a6/ 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, 3.14.0a6, is the sixth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until th

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Hugo van Kemenade @hugovk@mastodon.social
· 18mo ago
Replying to
Just released: Python 3.14.0a7 🚀 Just released: Python 3.13.3 🚀🚀 Just released: Python 3.12.10 🚀🚀🚀 Just released: Python 3.11.12 🚀🚀🚀🚀 Just released: Python 3.10.17 🚀🚀🚀🚀🚀 Just released: Python 3.9.22 🚀🚀🚀🚀🚀🚀 Last 3.14 alpha! Less than a month to get new features in before beta! Last 3.12 bugfix release! Now in security fix only! And security releases of 3.9-3.11. Please upgrade 3.9-3.13! Please test 3.14! https://discuss.python.org/t/python-3-14-0a7-3-13-3-3-12-10-3-11-12-3-10-17-and-3-9-22-are-now-available/87580 #Python #CPython #release #Python314 #Python313 #PythonEtc
Python 3.14.0a7, 3.13.3, 3.12.10, 3.11.12, 3.10.17 and 3.9.22 are now available
Discussions on Python.org

Python 3.14.0a7, 3.13.3, 3.12.10, 3.11.12, 3.10.17 and 3.9.22 are now available

Not one, not two, not three, not four, not five, but six releases! Is this the most in a single day? 3.12-3.14 were regularly scheduled, and we had some security fixes to release in 3.9-3.11 so let’s make a big day of it. This also marks the last bugfix release of 3.12 as it enters the security-only phase. See devguide.python.org/versions/ for a chart. Python 3.14.0a7 Here comes the final alpha! This means we have just four weeks until the first beta to get those last features into 3.14 before

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Hugo van Kemenade @hugovk@mastodon.social
· 17mo ago
Replying to
Just released: Python 3.14.0 beta 1! 🚀🐍 🥧 Deferred type annotation evaluation! 🥧 T-strings! 🥧 Zstandard! 🥧 Syntax highlighting in the REPL! 🥧 Colour in unittest, argparse, json and calendar CLIs! 🥧 UUID v6-8! 🥧 And much more! https://discuss.python.org/t/python-3-14-0-beta-1-is-here/91117?u=hugovk #Python #CPython #Python314 #release
Python 3.14.0 beta 1 is here!
Discussions on Python.org

Python 3.14.0 beta 1 is here!

Only one day late, welcome to the first beta! https://www.python.org/downloads/release/python-3140b1/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b1, is the first of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to te

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Hugo van Kemenade @hugovk@mastodon.social
· 16mo ago
Replying to
Just released: Python 3.14.0 beta 2! 🚀🐍 🥧 Deferred type annotation evaluation! 🥧 T-strings! 🥧 Zstandard! 🥧 Syntax highlighting in the REPL! 🥧 Colour in unittest, argparse, json and calendar CLIs! 🥧 UUID v6-8! 🥧 And much more! Do you maintain a Python package? Please test 3.14. If you find a bug now, we can fix it before October, which helps everyone. And you might find some places in your code to update as well, which helps you. https://discuss.python.org/t/python-3-14-0-beta-2-is-here/93396?u=hugovk #Python #CPython #Python314 #release
Python 3.14.0 beta 2 is here!
Discussions on Python.org

Python 3.14.0 beta 2 is here!

Here’s the second 3.14 beta. https://www.python.org/downloads/release/python-3140b2/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b2, is the second of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to test with 3.14 dur

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Hugo van Kemenade @hugovk@mastodon.social
· 16mo ago
Replying to
Just released: Python 3.14.0 beta 3! 🚀🐍 🥧 All the good stuff of b2 but also: 🥧 Free-threaded Python is officially supported! (PEP 779) 🥧 Subinterpreters in the stdlib! (PEP 734) Do you maintain a Python package? Please test 3.14. If you find a bug now, we can fix it before October, which helps everyone. And you might find some places in your code to update as well, which helps you. https://discuss.python.org/t/python-3-14-0-beta-3-is-here/95843?u=hugovk #Python #CPython #Python314 #release #PEP779 #PEP734 #FreeThreaded #subinterpreters
Python 3.14.0 beta 3 is here!
Discussions on Python.org

Python 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. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to test with 3.14 during the beta

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Hugo van Kemenade @hugovk@mastodon.social
· 15mo ago
Replying to
Just released: Python 3.14.0 beta 4! 🚀🐍 🥧 Last beta! 🥧 Do you maintain a Python package? Please test and report bugs! 🥧 This includes creating pre-release wheels for 3.14, as it helps other projects to do their own testing. https://discuss.python.org/t/python-3-14-0-beta-4-is-here/98092/1?u=hugovk #Python #CPython #Python314 #release
Python 3.14.0 beta 4 is here!
Discussions on Python.org

Python 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 releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to test with 3.14 during t

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Hugo van Kemenade @hugovk@mastodon.social
· 14mo ago
Replying to
Just released: Python 3.14.0 release candidate 1! 🚀🐍 🫖 T-strings! 🧵 Free-threading is officially supported! 🚇 Subinterpreters in the stdlib! 🗜️ Zstandard compression! 🎨 REPL syntax highlighting and tab autocomplete! ⚠️ Better error messages! 📦 Are you a package maintainer? Prepare for 3.14 and report bugs! 🛞 No ABI changes: upload 3.14 wheels to PyPI 🥧 And much, much more! https://discuss.python.org/t/python-3-14-release-candidate-1-is-go/99754?u=hugovk #Python #CPython #Python314 #release
Python 3.14 release candidate 1 is go!
Discussions on Python.org

Python 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 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 release preview) is scheduled for Tuesday, 2025-08-26, while the official release of 3.14

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Hugo van Kemenade @hugovk@mastodon.social
· 14mo ago
Replying to
Just released: Python 3.14.0 release candidate 2! 🚀🐍 🪄 This was planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in bytecode (.pyc) files 🪄 This means .pyc files created for rc1 will be recompiled for rc2 🪄 The ABI isn’t changing 🪄 Wheels built for rc1 should be fine for rc2, rc3 and 3.14.x 🤖 Did I mention Android binaries? 🏆 Bonus: We also released an early Python 3.13.7! https://discuss.python.org/t/python-3-14-0rc2-and-3-13-7-are-go/102403 #Python #CPython #Python314 #Python313 #release
Python 3.14.0rc2 and 3.13.7 are go!
Discussions on Python.org

Python 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, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they’ll be recompiled. The ABI isn’t changing. Wheels built for rc1 should be fine ...

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Hugo van Kemenade @hugovk@mastodon.social
· 12mo ago
Replying to
Just released: Python 3.14.0 release candidate 3! 🚀🐍 🪄 Finally, the final release candidate 🪄 We fixed *another* bug that required the ".pyc magic number" to be increased 🪄 The ABI isn't changing, and wheels built for rc1 and rc2 should still work 👤 This was the first release @savannah@fosstodon.org shadowed! 🏆 Please test and report bugs! https://discuss.python.org/t/python-3-14-0rc3-is-go/103815?u=hugovk #Python #CPython #Python314 #release
Python 3.14.0rc3 is go!
Discussions on Python.org

Python 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 bytecode (.pyc) files. This means file .pyc files created for rc2 cannot be used for rc3, and they’ll be recompiled. The ABI isn’t changing. Wheels built for rc1 should be fine for rc2, rc3 and 3.14.x, so this shouldn’t affect too many people. This releas...

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Hugo van Kemenade @hugovk@mastodon.social
· 10mo ago
Replying to
Just released! 🚀 After one sequential-only CI failure, two artifacts builds, one GitHub outage, two fixes for the Windows installer build, four Windows builds, and a NuGet outage: 🐍 Python 3.15 alpha 2! 🔬 PEP 799: A new high-frequency statistical sampling profiler 💬 PEP 686: Python now uses UTF-8 as the default encoding 🌊 PEP 782: A new PyBytesWriter C API to create a Python bytes object ⚠️ Better error messages https://discuss.python.org/t/python-3-15-0a2/104948?u=hugovk #Python #Python315 #CPython #release #PEP799 #PEP686
Python 3.15.0 alpha 2
Discussions on Python.org

Python 3.15.0 alpha 2

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 current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until the start of the beta phase (2026-05-05) and, if necessary, may be modified or deleted up u

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Hugo van Kemenade @hugovk@mastodon.social
· 10mo ago
Replying to
Just released! 🚀🐍 Python 3.14.1 Waiting for the .1 to upgrade? This one's especially for you! 🥧 Deferred type annotation evaluation! 🥧 T-strings! 🥧 Zstandard! 🥧 Syntax highlighting in the REPL! 🥧 Colour in unittest, argparse, json and calendar CLIs! 🥧 UUID v6-8! 🥧 And much more! https://discuss.python.org/t/python-3-14-1-is-now-available/105163 #Python #CPython #Python314 #release
Python 3.14.1 is now available!
Discussions on Python.org

Python 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. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and changes in Python 3.14 are: New features PEP 779: Free-threaded Python is officially supported PEP 649: The evaluation of annotations is now deferred, improving the semantics of using annotations. PEP 750:..

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Hugo van Kemenade @hugovk@mastodon.social
· 10mo ago
Replying to
Just released! 🚀🐍 Python 3.14.2 (and 3.13.11) Waiting for the .2 to upgrade? This one's especially for you! So soon? We found some regressions, so here’s an expedited pair of releases. They also come with bonus security fixes. https://discuss.python.org/t/python-3-14-2-and-3-13-11-are-now-available/105214?u=hugovk #Python #CPython #Python314 #Python313 #release
Python 3.14.2 and 3.13.11 are now available!
Discussions on Python.org

Python 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 bonus security fixes. Python 3.14.2 Python 3.14.2 is the second maintenance release of 3.14, containing 18 bugfixes, build improvements and documentation changes since 3.14.1. This is an expedited release to fix the following regressions: gh-142206: Exceptions in multiprocessing in running programs while upgrading Python. gh-142214: Exceptions in datac

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Hugo van Kemenade @hugovk@mastodon.social
· 9mo ago
Replying to
Just released! 🚀 🐍 Python 3.15 alpha 3! https://discuss.python.org/t/python-3-15-0-alpha-3/105325?u=hugovk 🔬 PEP 799: A new high-frequency statistical sampling profiler and dedicated profiling package 💬 PEP 686: Python now uses UTF-8 as the default encoding 🌊 PEP 782: A new PyBytesWriter C API to create a Python bytes object 🎨 Colour code snippets in argparse help: https://bsky.app/profile/savannah.dev/post/3m7svdqdeqs2x ⚠️ Better error messages #Python #Python315 #CPython #release #PEP799 #PEP686 #PEP782 #argparse
Python 3.15.0 alpha 3
Discussions on Python.org

Python 3.15.0 alpha 3

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 current state of new features and bug fixes and to test the release process. During the alpha phase, features may be added up until the start of the beta phase (2026-05-05) and, if necessary, may be modified or deleted up un

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Hugo van Kemenade @hugovk@mastodon.social
· 9mo ago
Replying to
Just released: Python 3.15.0a4 and look at those JIT numbers! https://discuss.python.org/t/python-3-15-0-alpha-4/105706/1 #Python315 #Python #CPython #release
Python 3.15.0 alpha 4
Discussions on Python.org

Python 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 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a4, is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the

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