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	7	522	May 12, 2026
Pre-PEP discussion: revival of PEP 543 - A Unified TLS API for Python Core Development pep	86	7176	May 12, 2026
Building the JIT with pre-built stencils Core Development build	19	1920	May 12, 2026
Should we set CFLAGS_JIT in Fedora? Core Development build	5	490	May 12, 2026
Python install manager 26.2 Core Development release	1	220	May 11, 2026
C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed` C API	15	459	May 11, 2026
~bool deprecation Core Development	129	7317	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	185	May 10, 2026
Python 3.15.0 beta 1 is here! Core Development release	2	834	May 8, 2026
Python 3.14.5 release candidate Core Development release	2	487	May 6, 2026
Choice of complex buffer protocol format intentional break with PEP? Core Development	85	1870	May 6, 2026
Improving incremental gc Core Development	32	2142	May 5, 2026
Deprecate float.__getformat__()? Core Development	2	276	May 5, 2026
Reverting the incremental GC in Python 3.14 and 3.15 Core Development release	48	7188	May 4, 2026
Recursive structures in marshal Core Development	0	152	May 4, 2026
Place for XML helper functions Core Development	11	492	April 30, 2026
Symlink resolution in starting script path Core Development	27	5062	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	841	April 22, 2026
Python on Windows ARM64 Core Development	20	1792	April 17, 2026
Concern about maintenance state of `libexpat`? Core Development	0	243	April 16, 2026
Allow beta UCD files to be used in the future? Core Development	6	388	April 14, 2026
Three Weeks to Beta 1! Core Development	4	384	April 14, 2026
Consider increasing the growth factor of list objects Core Development	74	2422	April 14, 2026
PR review: Properly update closure cells for __setattr__ and __detattr__ in frozen dataclasses with slots Core Development review-request	1	213	April 12, 2026
Python install manager 26.0 Core Development release	8	1215	April 11, 2026
PyLongObject: just use GMP? Core Development	67	2844	April 11, 2026
Python 3.15.0a8, 3.14.4 and 3.13.13 are now available! Core Development release	9	612	April 9, 2026
Rust for CPython Progress Update April 2026 Core Development	0	1089	April 8, 2026