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	0	3168	March 3, 2020
Add the stop_exception parameter to iter() and aiter() Core Development	6	253	August 24, 2026
PEP 842 postmortem: how do we protect the standard library? Core Development	43	1551	August 21, 2026
Callback for subinterpreter shutdown Core Development	10	387	August 21, 2026
Add `PyUnstable_InterpreterFrame_GetLocals()`: read a frame’s locals from the interpreter-frame C API C API	11	450	August 21, 2026
One time ABI breakage Core Development	25	1661	August 20, 2026
We're out out of type flags, let's add new API for new ones C API	2	351	August 17, 2026
Deprecate the tuple API (object[index]) of structseq objects like os.stat_result Core Development	17	842	August 16, 2026
Can Py_buffer format be const qualified? C API	6	285	August 15, 2026
Remove sys.lazy_modules? Core Development	24	674	August 13, 2026
Python 3.12.14, 3.11.16 and 3.10.21 are now available! Core Development release	2	599	August 13, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	17	765	August 13, 2026
Sys.lazy_modules clarification Core Development	4	611	August 12, 2026
Repr output of t-strings Core Development	45	2166	August 11, 2026
Enabling thread_inherit_context and context_aware_warnings by default on both builds Core Development	35	1076	August 11, 2026
Review request for PR #154816 Core Development	0	177	August 10, 2026
Adding PyMethod_New and/or PyMethod_Type to stable ABI / limited API C API	0	135	August 9, 2026
The 3.15 branch is locked for RC1 Core Development release	2	443	August 9, 2026
Python 3.14.7 and 3.13.15 are now available! Core Development release	1	327	August 7, 2026
Python 3.15.0 release candidate 1 is here! Core Development release	1	608	August 6, 2026
Modify the python grammar and matching to the correct error message? Core Development documentation , error-handling	1	266	August 6, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	91	8352	August 5, 2026
Itertools.tee delays finalizing items after all iterators consumed them Core Development	5	447	August 5, 2026
Could we use the new Stacked PR workflow? Core Development	3	391	August 5, 2026
Running a test in a fresh interpreter: `test.support.isolation.runInSubprocess()` Core Development	0	136	August 4, 2026
Review request for PR #151970 Core Development review-request	6	401	July 30, 2026
What's New in Curses Core Development	4	526	July 30, 2026
Defer releasing the iterator's reference to its iterable (free-threading) Core Development free-threading	2	321	July 30, 2026
Provide a C-API to efficently convert `dict` into `frozendict` C API	35	1958	July 27, 2026
Dict watchers: the documented callback contract cannot be satisfied (gh-154710) C API	1	257	July 26, 2026