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Cpython v3.14.0rc1

Cpython: v3.14.0rc1 Release

Release date:

July 22, 2025

Previous version:

v3.14.0b4 (released July 8, 2025)

Magnitude:

3,801 Diff Delta

Contributors:

5 total committers

Data confidence:

Commits:

110

110 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

[3.14] Revert "gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303)" (GH-136991) (#137006)

Authored July 22, 2025

[3.14] gh-135256: Simplify parsing parameters in Argument Clinic (GH-135257) (121914136635)

Authored July 13, 2025

[3.14] gh-116738: Make grp module thread-safe (GH-135434) (#136658)

Authored July 15, 2025

[3.14] gh-134657: Remove newly added private names from asyncio.__all__ (GH-134665) (#136455)

Authored July 9, 2025

[3.14] gh-136421: Load `_datetime` static types during interpreter initialization (GH-136583) (GH-136943)

Authored July 21, 2025

[3.14] gh-135621: Simplify TermInfo (GH-136916) (#136925)

Authored July 21, 2025

[3.14] gh-131531: Android test fixes (GH-136845) (#136962)

Authored July 22, 2025

[3.14] gh-136170: Revert adding `ZipFile.data_offset` (GH-136950) (#136955)

Authored July 22, 2025

[3.14] gh-118350: Fix support of elements "textarea" and "title" in HTMLParser (GH-135310) (GH-136984)

Authored July 22, 2025

[3.14] gh-135148: Correctly handle f/t strings with comments and debug expressions (GH-135198) (#136720)

Authored July 16, 2025

[3.14] gh-132661: Add default value (of `""`) for `Interpolation.expression` (GH-136441) (#136511)

Authored July 10, 2025

[3.14] gh-136380: Fix import behavior for `concurrent.futures.InterpreterPoolExecutor` (GH-136381) (#136420)

Authored July 8, 2025

Python 3.14.0rc1

Authored July 22, 2025

[3.14] gh-91048: Revert the memory cache removal for remote debugging (GH-136440) (#136443)

Authored July 9, 2025

[3.14] Revert "[3.14] gh-135228: When @dataclass(slots=True) replaces… (#137013)

Authored July 22, 2025

[3.14] GH-111758: Merge TSan and UBSan reusable GHA workflows (GH-136820) (#136883)

Authored July 20, 2025

[3.14] gh-91153: prevent a crash in `bytearray.__setitem__(ind, ...)` when `ind.__index__` has side-effects (GH-132379) (#136581)

Authored July 12, 2025

[3.14] GH-136874: `url2pathname()`: discard query and fragment components (GH-136875) (#136942)

Authored July 21, 2025

[3.14] gh-127146: Emscripten: Make os.umask() actually work (GH-136706) (#136711)

Authored July 16, 2025

[3.14] gh-134009: Expose `PyMutex_IsLocked` in the public C API (gh-134365) (#136971)

Authored July 22, 2025

[3.14] gh-89083: Add CLI tests for `UUIDv{6,7,8}` (GH-136548) (#136576)

Authored July 12, 2025

[3.14] GH-132661: Add ``string.templatelib.convert()`` (GH-135217) (#136671)

Authored July 15, 2025

[3.14] gh-136839: Refactor simple dict.update calls (GH-136811) (#136840)

Authored July 19, 2025

[3.14] gh-127146: Emscripten: more regular stack overflow skips (GH-136708) (#136712)

Authored July 16, 2025

[3.14] gh-136394: Fix race condition in test_zstd (GH-136432) (GH-136506)

Authored July 10, 2025

[3.14] gh-136470: Correct InterpreterPoolExecutor's default thread name (GH-136472) (GH-136889)

Authored July 21, 2025

[3.14] gh-136801: Fix PyREPL syntax highlightning on match cases after multi-line case (GH-136804) (GH-136813)

Authored July 19, 2025

[3.14] gh-136517: Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set (GH-136518) (#136522)

Authored July 11, 2025

[3.14] gh-136870: fix data race in `PyThreadState_Clear` on `sys_tracing_threads` (GH-136951) (#136953)

Authored July 21, 2025

[3.14] gh-127146: Report uid in Emscripten + node as native uid (GH-136509) (#136699)

Authored July 16, 2025

[3.14] gh-127971: fix off-by-one read beyond the end of a string during search (GH-132574) (#136628)

Authored July 13, 2025

[3.14] gh-130655: gettext: Add fallback testcase (GH-136857) (#136862)

Authored July 20, 2025

[3.14] gh-127146: Emscripten: Set umask to zero in python.sh (GH-136740) (#136745)

Authored July 17, 2025

[3.14] gh-136476: Remove creation of unused list (GH-136494) (GH-136495)

Authored July 10, 2025

[3.14] gh-127146: Emscripten: Don't need to avoid unpaired surrogate anymore (GH-136707) (#136717)

Authored July 16, 2025

[3.14] gh-136186: Fix race condition in test_external_inspection.test_only_active_thread (GH-136347) (#136416)

Authored July 8, 2025

[3.14] gh-136229: Remove Platform Emscripten is not supported warning (GH-136230) (#136445)

Authored July 9, 2025

[3.14] gh-131189: Fix "msvcrt" import warning on Linux when "_ctypes" is not available

Authored July 15, 2025

[3.14] gh-136434: Fix docs generation of `UnboundItem` in subinterpreters (GH-136435) (#136540)

Authored July 11, 2025

[3.14] GH-130645: Default to color help in argparse (GH-136809) (#136886)

Authored July 20, 2025

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