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	3000	October 4, 2023
Python 3.14.5 is here, with a new (old) garbage collector! Core Development release	5	370	May 11, 2026
Python install manager 26.2 Core Development release	1	175	May 11, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	15	453	May 11, 2026
~bool deprecation Core Development	129	7291	May 11, 2026
Python.org macOS installer users of tkinter: Python 3.14 with Tcl/Tk 9.0.3 instead of 8.6.17? Core Development release	1	181	May 10, 2026
Python 3.15.0 beta 1 is here! Core Development release	2	816	May 8, 2026
Python 3.14.5 release candidate Core Development release	2	476	May 6, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	85	1867	May 6, 2026
Improving incremental gc Core Development	32	2130	May 5, 2026
Deprecate float.__getformat__()? Core Development	2	274	May 5, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	48	6983	May 4, 2026
Recursive structures in marshal Core Development	0	149	May 4, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	84	7092	May 4, 2026
Place for XML helper functions Core Development	11	490	April 30, 2026
Symlink resolution in starting script path Core Development	27	5057	April 28, 2026
Isort and ruff now support sorting PEP 810 (lazy) imports Core Development	1	399	April 24, 2026
About `defaultdict.__missing__` Core Development	17	839	April 22, 2026
Python on Windows ARM64 Core Development	20	1788	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	242	April 16, 2026
Building the JIT with pre-built stencils Core Development build	18	1823	April 16, 2026
Allow beta UCD files to be used in the future? Core Development	6	387	April 14, 2026
Three Weeks to Beta 1! Core Development	4	382	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2420	April 14, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	211	April 12, 2026
Python install manager 26.0 Core Development release	8	1208	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2842	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	608	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	1084	April 8, 2026
Analytics.python.org: analytics for many python.org websites Core Development	3	239	April 7, 2026