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Python 3.15.1, 3.14.9 and 3.13.17 are out

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/10/python-3151-3149-31317/

Published: 2026-10-21 00:00:00 | Created: 2026-10-21 18:33:58

Three certified security releases for 3.15, 3.14 and 3.13.

Python 3.16.0 alpha 1 is now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/10/python-3160-alpha-1-is-now-available/

Published: 2026-10-13 00:00:00 | Created: 2026-10-13 19:46:57

The first developer preview of Python 3.16 is ready for testing.

Python 3.15.0 (final) is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/10/python-3150-final-is-here/

Published: 2026-10-09 00:00:00 | Created: 2026-10-09 14:20:57

A brand new Python here for you to enjoy!

Python 3.15.0 candidate 3 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/10/python-3150-rc3/

Published: 2026-10-02 00:00:00 | Created: 2026-10-02 21:09:57

Following tradition, a surprise rc3!

Python 3.10.22, 3.11.17, 3.12.15, 3.13.16 and 3.14.8 are now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/10/python-31022-31117/

Published: 2026-10-01 00:00:00 | Created: 2026-10-01 02:05:57

Security updates across Python 3.10–3.14, the final maintenance release of 3.13, and a farewell to Python 3.10.

One namespace to namespace them all (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-namespaces/

Published: 2026-09-30 12:00:00 | Created: 2026-09-30 12:30:58

Pablo Galindo Salgado proposes a top-level `std` namespace for the Python standard library to prevent module shadowing and free up module names.

macOS and Python (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-macos-python/

Published: 2026-09-30 12:00:01 | Created: 2026-09-30 12:30:58

Ned Deily weighs whether Python should continue shipping macOS installers

Garbage Collection: Generational? Incremental? Both! (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-garbage-collection-generational-incremental-both/

Published: 2026-09-30 12:00:02 | Created: 2026-09-30 12:30:58

Mark Shannon proposes a future garbage collection strategy for Python following the revert of the incremental garbage collector in Python 3.14

Memory Buffer Protocol (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-memory-buffer-protocol/

Published: 2026-09-30 12:00:03 | Created: 2026-09-30 12:30:58

Nathan Goldbaum proposes safe concurrent access through buffer leases and custom data types for the Python Buffer Protocol.

Memory Snapshots for CPython (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-memory-snapshots/

Published: 2026-09-30 12:00:04 | Created: 2026-09-30 12:30:58

Hood Chatham proposes memory snapshots and an initialization phase for speedier Python startups

Rust for CPython (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-rust-for-cpython/

Published: 2026-09-30 12:00:05 | Created: 2026-09-30 12:30:58

David Hewitt shares a status update, first module, and potential acceptance criteria for the Rust for CPython project

Spicycrab (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-spicycrab/

Published: 2026-09-30 12:00:06 | Created: 2026-09-30 12:30:58

Kushal Das shows off Spicycrab, a Python-to-Rust transpiler for Python users who need performance without learning Rust or leaving Python

Developer-in-Residence Update & Future (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-developer-in-residence-update-and-future/

Published: 2026-09-30 12:00:07 | Created: 2026-09-30 12:30:58

Petr Viktorin gives an update on the Developer-in-Residence role and asks Python core developers for projects to prioritize

Free-Threaded Python Post-Era (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-free-threading-post-era/

Published: 2026-09-30 12:00:08 | Created: 2026-09-30 12:30:58

Tobias Wrigstad, Fridtjof Stoldt, and Donghee Na propose a safe and performant, high-level concurrency model for free-threaded Python

PEP 827: Type Manipulation (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-pep-827-type-manipulation/

Published: 2026-09-30 12:00:09 | Created: 2026-09-30 12:30:58

Michael J. Sullivan presents PEP 827 and discusses a key design decision: how to store type annotations?

Lightning Talks (Python Language Summit 2026)

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026-lightning-talks/

Published: 2026-09-30 12:00:10 | Created: 2026-09-30 12:30:58

Lightning talks on a one-time ABI break, safer interruptions, EktuPy (Scratch but Python), an AGENTS.md file for CPython, and a call to read PEP 836.

Python Language Summit 2026

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/language-summit-2026/

Published: 2026-09-30 12:00:11 | Created: 2026-09-30 12:30:58

The 2026 Python Language Summit was hosted in Kraków, Poland as part of EuroPython 2026. There were 15 talks covering free-threading, Rust, garbage collection, type annotations, and more.

The Python documentation is now available in German

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/python-docs-in-german/

Published: 2026-09-26 00:00:00 | Created: 2026-09-26 19:25:57

You can now read the Python documentation online in German!

The Python documentation is now available in Persian

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/the-python-documentation-is-now-available-in-persian/

Published: 2026-09-23 00:00:00 | Created: 2026-09-23 16:08:55

No content available

Python 3.15.0 candidate 2 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/09/python-3150-rc2/

Published: 2026-09-01 00:00:00 | Created: 2026-09-01 12:08:57

Last chance to test before the big day!

RISC-V is now officially supported by CPython!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/riscv-now-officially-supported/

Published: 2026-08-24 00:00:00 | Created: 2026-08-24 18:57:57

I’m happy to announce that RISC-V platforms are now officially supported by CPython. 🎉 🚀

The Python documentation is now available in Russian!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/the-python-documentation-is-now-available-in-russian/

Published: 2026-08-22 00:00:00 | Created: 2026-08-22 15:46:57

No content available

Announcing the Packaging Council Election Candidates for 2026!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/2026-packaging-council-nominees/

Published: 2026-08-13 00:00:00 | Created: 2026-08-13 14:19:57

Announcing the 17 nominees for the inaugural Python Packaging Council election, and how to vote in the election.

Python 3.12.14, 3.11.16 and 3.10.21 are now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/python-31214-31116-31021/

Published: 2026-08-12 00:00:00 | Created: 2026-08-13 00:18:56

[Python Releases Eclipse Your Security!](https://discuss.python.org/t/python-3-12-14-3-11-16-and-3-10-21-are-now-available/108537) New security releases for 3.10, 3.11 and 3.12 are now available.

Python 3.14.7 and 3.13.15 are now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/python-3147-31315/

Published: 2026-08-05 00:00:00 | Created: 2026-08-05 15:37:55

A pair of bug fix releases await your upgrade.

Python 3.15.0 candidate 1 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/08/python-3150-rc1/

Published: 2026-08-04 00:00:00 | Created: 2026-08-04 14:33:55

Get those wheels rolling!

Get Ready: 2026 Python Packaging Council Nominations Opening Soon!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2026/07/2026-packaging-council-nominations/

Published: 2026-07-23 00:00:00 | Created: 2026-07-23 16:19:38

The inaugural Python Packaging Council election nomination period opens on Tuesday, July 28th, 2:00 pm UTC and closes on Tuesday, August 11th, 2:00 pm UTC.

Python 3.14.0 alpha 1 is now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2024/10/python-3140-alpha-1-is-now-available/

Published: 2024-10-15 00:00:00 | Created: 2026-07-23 05:23:41

It's now time for a new alpha of a new version of Python! https://www.python.org/downloads/release/python-3140a1/ This is an early developer preview of Python...

Python 3.14.0 alpha 2 released

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2024/11/python-3140-alpha-2-released/

Published: 2024-11-19 00:00:00 | Created: 2026-07-23 05:23:40

Alpha 2? But Alpha 1 only just came out! https://www.python.org/downloads/release/python-3140a2/ This is an early developer preview of Python 3.14 Major new ...

Python 3.13.1, 3.12.8, 3.11.11, 3.10.16 and 3.9.21 are now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2024/12/python-3131-3128-31111-31016-and-3921/

Published: 2024-12-04 00:00:00 | Created: 2026-07-23 05:23:40

Another big release day! Python 3.13.1 and 3.12.8 were regularly scheduled releases, but they do contain a few security fixes. That makes it a nice time to r...

Python 3.14.0 alpha 3 is out

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2024/12/python-3140-alpha-3-is-out/

Published: 2024-12-17 00:00:00 | Created: 2026-07-23 05:23:40

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...

Python 3.14.0 alpha 4 is out

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/01/python-3140-alpha-4-is-out/

Published: 2025-01-14 00:00:00 | Created: 2026-07-23 05:23:40

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 Majo...

Python 3.13.2 and 3.12.9 now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/02/python-3132-and-3129-now-available/

Published: 2025-02-04 00:00:00 | Created: 2026-07-23 05:23:40

A small release day today! That is to say the releases are relatively small; the day itself was of average size, as most days are. Python 3.13.2 Python 3.13’...

Python 3.14.0 alpha 5 is out

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/02/python-3140-alpha-5-is-out/

Published: 2025-02-11 00:00:00 | Created: 2026-07-23 05:23:40

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 fea...

Python 3.14.0 alpha 6 is out

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/03/python-3140-alpha-6-is-out/

Published: 2025-03-14 00:00:00 | Created: 2026-07-23 05:23:40

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 feature...

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

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/04/python-3140a7-3133-31210-31112-31017/

Published: 2025-04-08 00:00:00 | Created: 2026-07-23 05:23:40

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 secu...

Python 3.14.0 beta 1 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/05/python-3140-beta-1-is-here/

Published: 2025-05-07 00:00:00 | Created: 2026-07-23 05:23:40

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 st...

Python 3.14.0 beta 2 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/05/python-3140-beta-2-is-here/

Published: 2025-05-26 00:00:00 | Created: 2026-07-23 05:23:40

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 developmen...

Python 3.13.4, 3.12.11, 3.11.13, 3.10.18 and 3.9.23 are now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/06/python-3134-31211-31113-31018-and-3923/

Published: 2025-06-03 00:00:00 | Created: 2026-07-23 05:23:40

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...

Python 3.13.5 is now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/06/python-3135-is-now-available/

Published: 2025-06-11 00:00:00 | Created: 2026-07-23 05:23:40

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: [](ht...

Python 3.14.0 beta 3 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/06/python-3140-beta-3-is-here/

Published: 2025-06-17 00:00:00 | Created: 2026-07-23 05:23:40

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 rel...

Python 3.14.0 beta 4 is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/07/python-3140-beta-4-is-here/

Published: 2025-07-08 00:00:00 | Created: 2026-07-23 05:23:40

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. ...

Python 3.14 release candidate 1 is go!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/07/python-314-release-candidate-1-is-go/

Published: 2025-07-22 00:00:00 | Created: 2026-07-23 05:23:40

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 relea...

Python 3.13.6 is now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/08/python-3136-is-now-available/

Published: 2025-08-06 00:00:00 | Created: 2026-07-23 05:23:40

The latest version of Python 3.13 is now available! [](https://discuss.python.org/t/python-3-13-6-has-been-released/101482#p-265330-python-3136-1)Python 3.13...

Python 3.14.0rc2 and 3.13.7 are go!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/08/python-3140rc2-and-3137-are-go/

Published: 2025-08-14 00:00:00 | Created: 2026-07-23 05:23:40

Not one but two expedited releases! 🎉 🎉 Python 3.14.0rc2 It’s the ~final~ 🪄 penultimate 🪄 3.14 release candidate! https://www.python.org/downloads/releas...

Python 3.14.0rc3 is go!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/09/python-3140rc3-is-go/

Published: 2025-09-18 00:00:00 | Created: 2026-07-23 05:23:40

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 anot...

Python 3.14.0 (final) is here!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/10/python-3140-final-is-here/

Published: 2025-10-07 00:00:00 | Created: 2026-07-23 05:23:40

!Two snakes enjoying a pie with 3.14 on the top and π crimping Python 3.14.0 is now available python.org/downloads/release/python-3140/ This is the stable re...

Python 3.13.8 is now available

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/10/python-3138-is-now-available/

Published: 2025-10-07 00:00:00 | Created: 2026-07-23 05:23:40

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 rele...

Python 3.12.12, 3.11.14, 3.10.19 and 3.9.24 are now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/10/python-31212-31114-31019-and-3924-are/

Published: 2025-10-09 00:00:00 | Created: 2026-07-23 05:23:40

[](https://discuss.python.org/t/python-3-12-12-3-11-14-3-10-19-and-3-9-24-are-now-available/104273#p-273973-old-timer-release-party-1)Old-timer Release Party...

Python 3.13.9 is now available!

Feed: Python Insider (https://blog.python.org/feeds/posts/default?alt=rss)

Link: https://blog.python.org/2025/10/python-3139-is-now-available/

Published: 2025-10-14 00:00:00 | Created: 2026-07-23 05:23:40

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 3.1...

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