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Cpython v3.12.0a4

Cpython: v3.12.0a4 Release

Release date:
September 2, 2023
Previous version:
v3.12.0a3 (released October 8, 2024)
Magnitude:
7,500 Diff Delta
Contributors:
101 total committers
Data confidence:
Commits:
169 impacting commits

172 Features Released with v3.12.0a4

GH-98831: Update generate_cases.py: register inst, opcode_metadata.h
#100735
gh-100228: Warn from os.fork() if other threads exist.
#100229
gh-98724: Fix Py_CLEAR() macro side effects
#99100
gh-89727: Fix os.walk RecursionError on deep trees
#99803
GH-98831: Add some tests for generate_cases.py
#100763
GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit.
#100223
gh-83076: 3.8x speed improvement in (Async)Mock instantiation
#100252
gh-78997: fix bad rebase of moved test file
#100424
gh-100146: Steal references from stack when building a list
#100147
gh-100689: Revert "bpo-41798: pyexpat: Allocate the expat_CAPI on the…
#100745
gh-98030: socket: add missing TCP socket options
#98031
gh-96127: Fix `inspect.signature` call on mocks
#96335
gh-83035: handle decorator with nested parens in inspect.getsource
#99654
gh-99240: Reset pointer to NULL when the pointed memory is freed in argument parsing
#99890
gh-78878: Fix crash when creating an instance of `_ctypes.CField`
#14837
gh-100833: Remove 'volatile' qualifiers in fsum algorithm
#100845
gh-95882: fix regression in the traceback of exceptions propagated from inside a contextlib context manager
#95883
gh-100720: refactor calculation of number of frame slots for a code object into the new function _PyFrame_NumSlotsForCodeObject
#100722
gh-100690: Prevent prefix "called_" for attributes of safe mock objects
#100691
gh-99110: Initialize frame->previous in init_frame to fix segmentation fault
#100182
gh-100690: [mock] hide `ATTRIB_DENY_LIST` and make it immutable
#100819
gh-89727: Improve os.walk complexity and speed
#100671
gh-100739: Respect mock spec when checking for unsafe prefixes
#100740
gh-91851: Micro optimizations for Fraction's arithmetic
#25518
gh-87447: Fix walrus comprehension rebind checking
#100581
bpo-41916: allow cross-compiled python to have -pthread set for CXX
#22525
gh-100637: Fix int and bool __sizeof__ calculation to include the 1 element ob_digit array for 0 and False
#100663
gh-100815: Normalize `types` module usage in `copy` module
#100816
GH-86508: skip binding to local addresses of different family in `asyncio.open_connection`
#100615
gh-100792: Make `email.message.Message.__contains__` twice as fast
#100793

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Top Contributors in v3.12.0a4

markshannon
gvanrossum
rhettinger
carljm
zware
iritkatriel
jaraco
brandtbucher
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