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	2916	October 4, 2023
Review request for gh-138912: Improve MATCH_CLASS opcode performance Core Development	1	192	February 14, 2026
Python on Windows ARM64 Core Development	16	932	February 13, 2026
Right-to-left characters in repr Core Development	12	307	February 13, 2026
Python 3.15.0 alpha 6 Core Development release	5	370	February 12, 2026
Let tools know when tracing/profiling is enabled/disabled C API	0	101	February 12, 2026
Add an Unstable C API for immortalizing objects C API	10	526	February 11, 2026
PyLongObject: just use GMP? Core Development	13	534	February 11, 2026
Adding C API for use in tp_traverse C API	34	996	February 10, 2026
CPython has 7,154 open issues — can we organize a cleanup effort? Core Development github	5	468	February 9, 2026
Python install manager 26.0 beta 1 Core Development release	9	470	February 6, 2026
PyCon 2026 grants for core devs? Core Development	2	193	February 5, 2026
Python 3.14.3 and 3.13.12 are now available! Core Development release	3	502	February 4, 2026
Proper handling of PyList_SetItem return value and reference stealing in CPython C extensions C API	7	288	February 4, 2026
Stable ABI/Limited API for free-threaded builds C API	51	2175	January 29, 2026
C-API for initializing statically linked extension modules C API c-api	35	2542	January 29, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	78	6061	January 29, 2026
PR Review - trivial (obscure) test fixes Core Development review-request	1	227	January 27, 2026
macOS version support policy Core Development	25	1908	January 23, 2026
Proposed PEP 11 update -- policy for unsupported platforms Core Development	11	829	January 23, 2026
Our future with OpenSSL Core Development	93	18645	January 22, 2026
Moving expat version (or symbol) checks from buildtime to runtime Core Development build , stdlib	10	435	January 22, 2026
Text segmentation API design Core Development	5	643	January 22, 2026
C API for querying whether the GIL is enabled (PyInterpreterState_IsGilEnabled) C API	14	382	January 19, 2026
Defining a support policy on overlapping installations Core Development	7	433	January 19, 2026
Status of defusedxml and recommendation in docs Core Development stdlib	21	5921	January 17, 2026
Python 3.15.0 alpha 5 (yes, another alpha!) Core Development release	7	655	January 15, 2026
Language Summit at EuroPython 2026 Core Development language-summit	5	821	January 15, 2026
Python 3.15.0 alpha 4 Core Development release	4	522	January 14, 2026
Feedback on beta of new Windows pymanager Core Development	65	2470	January 12, 2026