CPython: 36 Years of Source Code
An analysis of the growth of CPython's codebase from its first commits to the present day
Phase 4 / Search Layer
Find transmissions by signal, source, or topic.
Search returns normalized transmission metadata and canonical links only. This keeps the frontend clean while the ingestion system remains separate.
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The Python Insider Blog Has Moved!
Python Insider now lives at blog.python.org, backed by a Git repository. All 307 posts from the Blogger era have been migrated, and old URLs redirect automatically.
Python 3.12.13, 3.11.15 and 3.10.20 are now available!
[Python Releases For Your Security!](https://discuss.python.org/t/python-3-12-13-3-11-15-and-3-10-20-are-now-available/106363) New security releases for 3.10, 3.11 and 3.12 are now available.
Join the Python Security Response Team!
The Python Security Response Team now has an approved public governance document (PEP 811) and is welcoming new members.
Python 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 Pyt...
Python 3.14.3 and 3.13.12 are now available!
Python 3.14.3 is now available! This is third maintenance release of Python 3.14 Python 3.14.3 is the third maintenance release of 3.14, containing around ...
Python 3.15.0 alpha 5 (yes, another alpha!)
Note: 3.15.0a4 was accidentally built against from 2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release correctly built against 2026-01-14...
Python 3.15.0 alpha 4
Edit: This 3.15.0a4 was accidentally built against \ from 2025-12-23 instead of 2026-01-13, so 3.15.0a5 is an extra release correctly built against 2026-01-1...
Python 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 Pyt...
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 some bonus security fi...
Python 3.14.1 is now available!
!Two snakes enjoying a pie with 3.14 on the top and π crimping This is first maintenance release of Python 3.14 Python 3.14.1 is the first maintenance release...
Python 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 rel...