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Cpython v3.14.0a4

Cpython: v3.14.0a4 Release

Release date:
January 14, 2025
Previous version:
v3.14.0a3 (released January 14, 2025)
Magnitude:
21,874 Diff Delta
Contributors:
74 total committers
Data confidence:
Commits:
249 impacting commits

166 Features Released with v3.14.0a4

gh-128002: fix many thread safety issues in asyncio
#128147
gh-128421: make getters and setters of `BaseException` thread safe
#128728
gh-71339: Add additional assertion methods for unittest
#128707
GH-127807: pathlib ABCs: move private copying methods to dedicated class
#127810
gh-127350: Add Py_fopen() function
#127821
gh-128013: fix data race in PyUnicode_AsUTF8AndSize on free-threading
#128021
gh-128627: Emscripten: Use wasm-gc based call adaptor if available
#128628
GH-128685: Specialize (rather than quicken) LOAD_CONST into LOAD_CONST_[IM]MORTAL
#128708
GH-128520: Divide pathlib ABCs into three classes
#128523
[3.13] gh-41872: Fix quick extraction of module docstrings from a file in pydoc (GH-127520)
#128620
gh-128002: use internal llist implementation for asyncio tasks
#128256
gh-128277: make globals variables thread safe in socket module
#128286
gh-128013: Convert unicodeobject.c macros to functions
#128061
gh-128150: improve performances of `uuid.uuid*` constructor functions.
#128151
GH-127807: pathlib ABCs: remove a few private attributes
#127851
gh-128552: fix refcycles in eager task creation
#128553
GH-127381: pathlib ABCs: remove `PathBase.stat()`
#128334
gh-128277: use relaxed atomics for `sock_fd`
#128304
gh-127089: Add missing description for codes in `http.HTTPStatus`
#127100
gh-115999: Add free-threaded specialization for COMPARE_OP
#126410
gh-128317: Highlight today in colour in calendar CLI output
#128318
gh-126639: Add ResourceWarning to NamedTemporaryFile
#126677
gh-87138: convert blake2b/2s types to heap types
#127669
gh-95371: Add support for other image formats(e.g. PNG) to the turtle…
#95378
gh-119180: Set the name of the param to __annotate__ to "format"
#124730
[3.12] gh-128078: Clear exception in `anext` before calling `_PyGen_SetStopIterationValue` (GH-128780)
#128784
GH-127381: pathlib ABCs: remove uncommon `PurePathBase` methods
#127853
GH-127807: pathlib ABCs: remove `PurePathBase._raw_paths`
#127883
gh-127949: deprecate `asyncio.set_event_loop_policy`
#128024
gh-127949: deprecate `asyncio.set_event_loop`
#128218

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Top Contributors in v3.14.0a4

markshannon
picnixz
kumaraditya303
encukou
barneygale
ZeroIntensity
nascheme
serhiy-storchaka
vstinner
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