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	2966	October 4, 2023
Choice of complex buffer protocol format intentional break with PEP? Core Development	52	562	April 15, 2026
Allow beta UCD files to be used in the future? Core Development	6	327	April 14, 2026
Let tools know when tracing/profiling is enabled/disabled C API	6	544	April 14, 2026
Three Weeks to Beta 1! Core Development	4	249	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2053	April 14, 2026
About `defaultdict.__missing__` Core Development	16	591	April 13, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	186	April 12, 2026
Python install manager 26.0 Core Development release	8	1088	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2578	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	479	April 9, 2026
Building the JIT with pre-built stencils Core Development build	17	1640	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	838	April 8, 2026
Analytics.python.org: analytics for many python.org websites Core Development	3	207	April 7, 2026
Looking for feedback on adding import autocomplete to PyREPL Core Development	65	3000	April 5, 2026
Seeking collaboration on PR #146439: Safer macOS webbrowser opening (replacing osascript with /usr/bin/open) Core Development	0	98	April 5, 2026
Request for PyModule_GetModuleByDef() Core Development	11	355	April 5, 2026
PyCon 2026 grants for core devs? Core Development	4	430	April 3, 2026
About type-conversion special methods Core Development	9	892	April 3, 2026
Stable ABI for PyCriticalSection C API	32	1138	March 31, 2026
Add a contextvars.ContextVar.get_changed() method C API	1	192	March 30, 2026
Python on Windows ARM64 Core Development	19	1486	March 30, 2026
O(N²) compile-time regression for large constant tuples after const folding moved to CFG Core Development	1	396	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	3480	March 24, 2026
Concerns about `-X lazy_imports=none` Core Development	73	1192	March 24, 2026
Soft-deprecating `ctypes.util.find_library` Core Development	13	745	March 23, 2026
CLA Bot and AI Agents? Core Development github , ci	7	341	March 22, 2026
~bool deprecation Core Development	127	6533	March 20, 2026
`http` expert/reviewer needed for PR 133276 (gh-42550: Add 'Expect: 100-Continue' support to httplib) Core Development	1	259	March 18, 2026
Defining a support policy on overlapping installations Core Development	10	677	March 17, 2026