Core Development

Steering Council Nominations Nominations for the Python Steering Council election. C API This sub-category is for discussions specifically about the Python C API. Covers both the development of as well as the development with (usage of) the C API.

Topic	Replies	Views	Activity
About the Core Development category Core Development	1	3005	October 4, 2023
About `defaultdict.__missing__` Core Development	18	863	May 17, 2026
Reworking "Buffered I/O" in CPython Core Development	17	1334	May 15, 2026
Questions for the Steering Council Core Development	0	239	May 14, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	54	27822	May 13, 2026
Python 3.14.5 is here, with a new (old) garbage collector! Core Development release	7	706	May 12, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	86	7239	May 12, 2026
Building the JIT with pre-built stencils Core Development build	19	1947	May 12, 2026
Should we set CFLAGS_JIT in Fedora? Core Development build	5	519	May 12, 2026
Python install manager 26.2 Core Development release	1	255	May 11, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	15	473	May 11, 2026
~bool deprecation Core Development	129	7368	May 11, 2026
Python.org macOS installer users of tkinter: Python 3.14 with Tcl/Tk 9.0.3 instead of 8.6.17? Core Development release	1	196	May 10, 2026
Python 3.15.0 beta 1 is here! Core Development release	2	889	May 8, 2026
Python 3.14.5 release candidate Core Development release	2	528	May 6, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	85	1880	May 6, 2026
Improving incremental gc Core Development	32	2354	May 5, 2026
Deprecate float.__getformat__()? Core Development	2	283	May 5, 2026
Recursive structures in marshal Core Development	0	157	May 4, 2026
Place for XML helper functions Core Development	11	497	April 30, 2026
Symlink resolution in starting script path Core Development	27	5066	April 28, 2026
Isort and ruff now support sorting PEP 810 (lazy) imports Core Development	1	407	April 24, 2026
Python on Windows ARM64 Core Development	20	1807	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	252	April 16, 2026
Allow beta UCD files to be used in the future? Core Development	6	391	April 14, 2026
Three Weeks to Beta 1! Core Development	4	389	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2429	April 14, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	217	April 12, 2026
Python install manager 26.0 Core Development release	8	1235	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2851	April 11, 2026