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	2967	October 4, 2023
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	23	1918	April 20, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	76	963	April 17, 2026
Python on Windows ARM64 Core Development	20	1602	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	181	April 16, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	9	119	April 16, 2026
Building the JIT with pre-built stencils Core Development build	18	1732	April 16, 2026
Python install manager 26.2 Core Development release	0	105	April 15, 2026
Allow beta UCD files to be used in the future? Core Development	6	351	April 14, 2026
Let tools know when tracing/profiling is enabled/disabled C API	6	557	April 14, 2026
Three Weeks to Beta 1! Core Development	4	297	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2079	April 14, 2026
About `defaultdict.__missing__` Core Development	16	607	April 13, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	192	April 12, 2026
Python install manager 26.0 Core Development release	8	1107	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2606	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	495	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	914	April 8, 2026
Analytics.python.org: analytics for many python.org websites Core Development	3	210	April 7, 2026
Looking for feedback on adding import autocomplete to PyREPL Core Development	65	3003	April 5, 2026
Seeking collaboration on PR #146439: Safer macOS webbrowser opening (replacing osascript with /usr/bin/open) Core Development	0	121	April 5, 2026
Request for PyModule_GetModuleByDef() Core Development	11	356	April 5, 2026
PyCon 2026 grants for core devs? Core Development	4	433	April 3, 2026
About type-conversion special methods Core Development	9	900	April 3, 2026
Stable ABI for PyCriticalSection C API	32	1142	March 31, 2026
Add a contextvars.ContextVar.get_changed() method C API	1	193	March 30, 2026
O(N²) compile-time regression for large constant tuples after const folding moved to CFG Core Development	1	397	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	3489	March 24, 2026
Concerns about `-X lazy_imports=none` Core Development	73	1197	March 24, 2026
Soft-deprecating `ctypes.util.find_library` Core Development	13	747	March 23, 2026