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	2982	October 4, 2023
Improving incremental gc Core Development	18	707	April 26, 2026
Symlink resolution in starting script path Core Development	26	4852	April 25, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	13	285	April 24, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	41	3981	April 23, 2026
About `defaultdict.__missing__` Core Development	17	773	April 22, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	76	1211	April 17, 2026
Python on Windows ARM64 Core Development	20	1695	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	218	April 16, 2026
Building the JIT with pre-built stencils Core Development build	18	1800	April 16, 2026
Python install manager 26.2 Core Development release	0	126	April 15, 2026
Allow beta UCD files to be used in the future? Core Development	6	374	April 14, 2026
Let tools know when tracing/profiling is enabled/disabled C API	6	580	April 14, 2026
Three Weeks to Beta 1! Core Development	4	340	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2308	April 14, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	202	April 12, 2026
Python install manager 26.0 Core Development release	8	1141	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2809	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	548	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	980	April 8, 2026
Analytics.python.org: analytics for many python.org websites Core Development	3	224	April 7, 2026
Looking for feedback on adding import autocomplete to PyREPL Core Development	65	3185	April 5, 2026
Seeking collaboration on PR #146439: Safer macOS webbrowser opening (replacing osascript with /usr/bin/open) Core Development	0	128	April 5, 2026
Request for PyModule_GetModuleByDef() Core Development	11	390	April 5, 2026
PyCon 2026 grants for core devs? Core Development	4	456	April 3, 2026
About type-conversion special methods Core Development	9	924	April 3, 2026
Stable ABI for PyCriticalSection C API	32	1250	March 31, 2026
Add a contextvars.ContextVar.get_changed() method C API	1	202	March 30, 2026
O(N²) compile-time regression for large constant tuples after const folding moved to CFG Core Development	1	408	March 25, 2026
Python 3.13.4, 3.12.11, 3.11.13, 3.10.18 and 3.9.23 are now available! Core Development release	16	3560	March 24, 2026