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	2988	October 4, 2023
Symlink resolution in starting script path Core Development	27	4956	April 28, 2026
Improving incremental gc Core Development	22	1222	April 28, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	13	320	April 24, 2026
Isort and ruff now support sorting PEP 810 (lazy) imports Core Development	1	342	April 24, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	41	4205	April 23, 2026
About `defaultdict.__missing__` Core Development	17	790	April 22, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	76	1227	April 17, 2026
Python on Windows ARM64 Core Development	20	1708	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	221	April 16, 2026
Building the JIT with pre-built stencils Core Development build	18	1810	April 16, 2026
Python install manager 26.2 Core Development release	0	129	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	581	April 14, 2026
Three Weeks to Beta 1! Core Development	4	353	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2322	April 14, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	203	April 12, 2026
Python install manager 26.0 Core Development release	8	1146	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2814	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	570	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	1013	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	3196	April 5, 2026
Seeking collaboration on PR #146439: Safer macOS webbrowser opening (replacing osascript with /usr/bin/open) Core Development	0	129	April 5, 2026
Request for PyModule_GetModuleByDef() Core Development	11	399	April 5, 2026
PyCon 2026 grants for core devs? Core Development	4	458	April 3, 2026
About type-conversion special methods Core Development	9	925	April 3, 2026
Stable ABI for PyCriticalSection C API	32	1254	March 31, 2026
Add a contextvars.ContextVar.get_changed() method C API	1	203	March 30, 2026
O(N²) compile-time regression for large constant tuples after const folding moved to CFG Core Development	1	410	March 25, 2026