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Cpython v3.14.0a1

Cpython: v3.14.0a1 Release

Release date:
October 15, 2024
Previous version:
v3.13.3 (released April 8, 2025)
Magnitude:
40,216 Diff Delta
Contributors:
49 total committers
Data confidence:
Commits:
1,153 impacting commits

861 Features Released with v3.14.0a1

[3.13] gh-123321: Make Parser/myreadline.c locking safe in free-threaded build (GH-123690)
#123798
[3.13] gh-124513: Check args in framelocalsproxy_new() (GH-124515)
#124539
[3.13] gh-112346: Always set OS byte to 255, simpler gzip.compress function. (GH-120486)
#120563
[3.13] gh-121546: Disable contextvar caching on free-threading build (GH-121740)
#121808
[3.13] gh-124309: fix staggered race on eager tasks (GH-124847)
#125339
Fix typos
#123775
[3.13] Fix typos in docs and what's new
#123451
[3.13] gh-116608: Apply style and compatibility changes from importlib_resources. (GH-123028)
#123051
[3.13] gh-125269: Use `AC_LINK_IF_ELSE` to detect if `-latomic` is needed (GH-125416)
#125493
[3.13] gh-124442: make `__static_attributes__` deterministic by sorting (GH-124492)
#124738
[3.13] gh-120722: Set position on RETURN_VALUE in lambda (GH-120724)
#120738
[3.13] GH-89727: Partially fix `shutil.rmtree()` recursion error on deep trees (GH-119634)
#119748
[3.13] gh-79846: Make ssl.create_default_context() ignore invalid certificates (GH-91740)
#122768
[3.13] gh-119548: Add a 'clear' command to the REPL (GH-119549)
#119552
[3.13] GH-125069: Fix inconsistent joining in `WindowsPath(PosixPath(...))` (GH-125156)
#125409
[3.13] GH-89727: Fix FD leak on `os.fwalk()` generator finalization. (GH-119766)
#119767
[3.13] Move macOS matrix to the calling workflow (GH-121809)
#122297
[3.13] gh-86357: argparse: use str() consistently and explicitly to print choices (GH-117766)
#125431
[3.13] gh-121528: Fix _PyObject_Init() assertion for stable ABI (GH-121725)
#121936
[3.13] gh-122332: Fix missing `NULL` check in `asyncio.Task.get_coro` (GH-122338)
#122344
[3.13] gh-124538: Fix crash when using `gc.get_referents` on an untracked capsule object (GH-124559)
#124588
[3.13] gh-118921: Add `copy()` method for `FrameLocalsProxy` (GH-118923)
#118933
[3.13] gh-120910: Fix issue resolving relative paths outside site-packages. (GH-120911)
#120917
gh-111201: Speed up paste mode in the REPL
#119341
[3.13] gh-120367: fix removal of redundant NOPs and jumps after reordering hot-cold blocks (GH-120425)
#120621
[3.13] gh-121487: Fix deprecation warning for ATOMIC_VAR_INIT in mimalloc (gh-121488)
#121504
[3.13] gh-122145: Handle an empty AST body when reporting tracebacks (GH-122161)
#124214
[3.13] GH-122482: Make About IDLE direct discussion to DPO (GH-122483)
#122485
[3.13] gh-121609: Fix pasting of characters containing unicode character joiner (GH-121667)
#121733
[3.13] gh-119553: Clear reader on Ctrl-C command (GH-119801)
#120062

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Top Contributors in v3.14.0a1

miss-islington
Yhg1s
lysnikolaou
JelleZijlstra
ericsnowcurrently
serhiy-storchaka
markshannon
cfbolz
ambv
encukou

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