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	3028	October 4, 2023
Deprecating the assumption that libpython is dynamically linked Core Development build	8	608	May 22, 2026
Updated guidelines for using AI tools when contributing to CPython Core Development	3	282	May 22, 2026
Clarify object identity semantics for repeated evaluations — literals vs. function calls C API	23	318	May 22, 2026
Allow beta UCD files to be used in the future? Core Development	7	456	May 21, 2026
Names of variables for versions Core Development	0	148	May 21, 2026
About `defaultdict.__missing__` Core Development	19	1013	May 17, 2026
Reworking "Buffered I/O" in CPython Core Development	17	1430	May 15, 2026
Questions for the Steering Council Core Development	0	309	May 14, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	54	29264	May 13, 2026
Python 3.14.5 is here, with a new (old) garbage collector! Core Development release	7	785	May 12, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	86	7273	May 12, 2026
Building the JIT with pre-built stencils Core Development build	19	1967	May 12, 2026
Should we set CFLAGS_JIT in Fedora? Core Development build	5	529	May 12, 2026
Python install manager 26.2 Core Development release	1	282	May 11, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	15	481	May 11, 2026
~bool deprecation Core Development	129	7404	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	204	May 10, 2026
Python 3.15.0 beta 1 is here! Core Development release	2	927	May 8, 2026
Python 3.14.5 release candidate Core Development release	2	559	May 6, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	85	1892	May 6, 2026
Improving incremental gc Core Development	32	2412	May 5, 2026
Deprecate float.__getformat__()? Core Development	2	291	May 5, 2026
Recursive structures in marshal Core Development	0	160	May 4, 2026
Place for XML helper functions Core Development	11	499	April 30, 2026
Symlink resolution in starting script path Core Development	27	5082	April 28, 2026
Isort and ruff now support sorting PEP 810 (lazy) imports Core Development	1	414	April 24, 2026
Python on Windows ARM64 Core Development	20	1849	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	256	April 16, 2026
Three Weeks to Beta 1! Core Development	4	395	April 14, 2026