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Cpython v3.14.0a1

Cpython: v3.14.0a1 Release

Release date:
October 15, 2024
Previous version:
v3.13.4 (released June 11, 2025)
Magnitude:
39,507 Diff Delta
Contributors:
49 total committers
Data confidence:
Commits:
1,152 impacting commits

861 Features Released with v3.14.0a1

[3.13] gh-116622: Add Android test script (GH-121595)
#123061
gh-117721: use PyMutex in `_thread.lock`
#125110
[3.13] gh-118727: Don't drop the GIL in `drop_gil()` unless the current thread holds it (GH-118745)
#119474
[3.13] GH-124567: Revert the Incremental GC in 3.13
#124770
GH-121970: Rewrite the C-API annotations extension
#121985
[3.13] gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (GH-119216)
#119497
[3.13] gh-120541: Improve the "less" prompt in pydoc (GH-120543)
#120562
[3.13] gh-123339: Fix cases of inconsistency of __module__ and __firstlineno__ in classes (GH-123613)
#124735
[3.13] Small improvements to the itertools docs (GH-123885)
#125075
[3.13] GH-121970: Improve the glossary preview in HTML search (GH-121991)
#122015
[3.13] gh-121039: add Floats/ComplexesAreIdenticalMixin to test.support.testcase (GH-121071)
#123840
[3.13] gh-117511: Make PyMutex public in the non-limited API (GH-117731)
#120800
[3.13] gh-77894: Fix a crash when the GC breaks a loop containing a memoryview (GH-123898)
#123936
[3.13] gh-118033: Fix `__weakref__` not set for generic dataclasses (GH-118099)
#118821
[3.13] gh-120317: Lock around global state in the tokenize module (GH-120318)
#121841
[3.13] gh-123797: Check for runtime availability of `ptsname_r` on macos (GH-123806)
#124270
[3.13] gh-117657: Fix `__slots__` thread safety in free-threaded build (GH-119368)
#120655
[3.13] bpo-24766: doc= argument to subclasses of property not handled correctly (GH-2487)
#120305
gh-125096: Don't import _pyrepl in site if PYTHON_BASIC_REPL
#125097
gh-119661: Add _Py_SINGLETON() include in Argumenet Clinic
#119712
[3.13] gh-120522: Add a `--with-app-store-compliance` configure option to patch out problematic code (GH-120984)
#121173
[3.13] gh-121151: argparse: Fix wrapping of long usage text of arguments inside a mutually exclusive groups (GH-121159)
#122777
[3.13] gh-124958: fix asyncio.TaskGroup and _PyFuture refcycles (GH-124959)
#125463
[3.13] gh-92081: Fix for email.generator.Generator with whitespace between encoded words. (GH-92281)
#119245
[3.13] gh-123856: Fix PyREPL failure when a keyboard interrupt is triggered after using a history search (GH-124396)
#124530
gh-120642: Move private PyCode APIs to the internal C API
#120643
[3.13] gh-106597: Add more offsets to _Py_DebugOffsets (GH-121311)
#121312
[3.13] gh-119310: Fix encoding when reading old history file (GH-121779)
#123784
[3.13] gh-124917: Allow keyword args to os.path.exists/lexists on Windows (GH-124918)
#125332
[3.13] gh-122903: Honor directories in zipfile.Path.glob. (GH-122908)
#122926

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Top Contributors in v3.14.0a1

miss-islington
Yhg1s
lysnikolaou
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ericsnowcurrently
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