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Cpython v3.14.5rc1

Cpython: v3.14.5rc1 Release

Release date:
May 4, 2026
Previous version:
v3.14.4 (released April 7, 2026)
Magnitude:
4,953 Diff Delta
Contributors:
14 total committers
Data confidence:
Commits:
125 impacting commits

118 Features Released with v3.14.5rc1

[3.14] Ignore `/jit_unwind_info*.h` from git (GH-149311)
#149314
[3.14] gh-148418: Fix a possible reference leak in a corrupted TYPE_CODE marshal stream (GH-148419)
#149363
[3.14] gh-148208: Fix recursion depth leak in `PyObject_Print` (GH-148209)
#148412
[3.14] Default GHA permissions to `contents: read` (GH-148346)
#148386
[3.14] gh-133403: Add type annotations to generate_levenshtein_examples.py (GH-143317)
#148734
[3.14] gh-149285: Increase recursion depth for `test_xml_etree` from 150k to 500k (GH-149286)
#149287
[3.14] gh-147998: Fix possible memory leak in _pop_preserved (crossinterp.c) (GH-147999)
#149365
[3.14] gh-148067: Fix typo in asyncio event loop docs: 'signals' -> 'signal' (GH-148073)
#148246
[3.14] gh-106318: Add example for str.swapcase() method (GH-144575)
#148296
[3.14] gh-148250: Mention str subclasses in PyUnicodeWriter_WriteStr() doc (GH-148251)
#148293
[3.14] gh-146646: Document that glob functions suppress OSError (GH-147996)
#148288
[3.14] Fix mixed line endings with pre-commit (GH-148336)
#148338
[3.14] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248)
#148299
[3.14] gh-148254: Use singular "sec" in timeit verbose output (GH-148290)
#148303
[3.14] gh-147965: Add shutdown() to multiprocessing.Queue excluded methods (GH-147970)
#148416
[3.14] gh-148337: Document `importlib.resources` security model (GH-148340)
#148356
[3.14] gh-145105: Fix crash in csv.reader with re-entrant iterator (GH-145106)
#148404
[3.14] gh-142518: add thread safety docs for dict and set APIs
#148392
[3.14] gh-148320: document that `import sys.monitoring` raises `ModuleNotFoundError` (GH-148365)
#148385
[3.14] gh-146450: Ensure Android gradle build uses custom cross-build dir (GH-148319)
#148470
[3.14] InternalDocs: Correct struct path for latin1 singletons in `string_interning.md` (GH-148358)
#148492
[3.14] Fix "encodings" typo in argparse.FileType documentation (GH-148502)
#148513
[3.14] Docs: Use bash lexer for http.server CLI commands, not Python (GH-148612)
#148620
[3.14] gh-148508: Add resilience to SSL preauth tests on iOS (GH-148536)
#148539
[3.14] gh-72406: Document argument ordering in argparse help output (GH-148534)
#148562
[3.14] tiny edit, fix a couple of minor typos in enum and sqlite3 docs (GH-148580)
#148581
[3.14] gh-148186: Improve `assertCountEqual` description in docs. (GH-148463)
#148585
[3.14] gh-100305: Deemphasize that `ast.literal_eval` is safe in `eval` documentation (GH-100326)
#148420
[3.14] Add PyManager documentation for index signatures (GH-148631)
#148632
[3.14] Prevent GitHub's web conflict editor from converting LF to CRLF (GH-148739)
#148748

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Top Contributors in v3.14.5rc1

miss-islington
sergey-miryanov
StanFromIreland
kumaraditya303
jihugo
JelleZijlstra
colesbury
freakboy3742
savannahostrowski
lighting9999

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