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Cpython v3.12.8

Cpython: v3.12.8 Release

Release date:
May 15, 2025
Previous version:
v3.12.7 (released October 1, 2024)
Magnitude:
14,594 Diff Delta
Contributors:
101 total committers
Data confidence:
Commits:
510 impacting commits

365 Features Released with v3.12.8

[3.12] gh-124309: fix staggered race on eager tasks (GH-124847)
#125340
[3.13] gh-124653: Relax (again) detection of queue API for logging handlers (GH-124897)
#125059
[3.13] gh-125969: fix OOB in `future_schedule_callbacks` due to an evil `call_soon` (GH-125970)
#125991
[3.12] gh-125969: fix OOB in `future_schedule_callbacks` due to an evil `call_soon` (GH-125970)
#125992
[3.13] gh-125783: Add tests to prevent regressions with the combination of `ctypes` and metaclasses. (GH-125881)
#125987
[3.12] gh-126303: Fix pickling and copying of os.sched_param objects (GH-126336)
#126424
gh-127208: Reject null character in _imp.create_dynamic()
#127400
[3.12] gh-104400: Add more tests to pygettext (GH-108173)
#126362
[3.12] gh-113993: For string interning, do not rely on (or assert) _Py_IsImmortal (GH-121358) (GH-121851)
#124938
[3.12] gh-124969: Make locale.nl_langinfo(locale.ALT_DIGITS) returning a string again (GH-125774)
#125805
[3.12] gh-126451: Revert backports of ABC registrations for contextvars.Context and multiprocessing proxies
#126735
[3.12] Doc: Upgrade Sphinx to 8.1 (GH-125276)
#125279
[3.12] gh-123378: fix a crash in `UnicodeError.__str__` (GH-124935)
#125098
[3.12] gh-117378: Fix multiprocessing forkserver preload sys.path inheritance. (GH-126538)
#126633
[3.12] GH-126789: fix some sysconfig data on late site initializations
#126919
[3.12] gh-125679: multiprocessing Lock and RLock - fix invalid representation string on MacOSX. (GH-125680)
#126534
[3.12] gh-126425: Refactor `_lsprof_Profiler_enable` (GH-126426)
#126443
[3.13] gh-126425: Refactor `_lsprof_Profiler_enable` (GH-126426)
#126442
[3.12] gh-126618: fix repr(itertools.count(sys.maxsize)) (GH-127048)
#127510
[3.12] Fix idlelib typos (GH-125484)
#125488
[3.12] gh-86357: argparse: use str() consistently and explicitly to print choices (GH-117766)
#125432
[3.12] [3.13] gh-124969: Fix locale.nl_langinfo(locale.ALT_DIGITS) (GH-124974) (GH-125232)
#125284
[3.12] gh-125884: Support breakpoint on functions with annotations (G…
#125903
[3.13] gh-126476: Raise IllegalMonthError for calendar.formatmonth() when the input month is not correct (GH-126484)
#126879
[3.12] gh-122392: IDLE - Fix overlapping lines in browsers (GH-122392) (GH-124975)
#125062
[3.12] gh-58282: Fix support of tuple metavar for positional arguments in argparse (GH-124782)
#124881
[3.12] gh-101955: Fix SystemError in possesive quantifier with alternative and group (GH-111362)
#126963
[3.12] gh-119826: Improved fallback for ntpath.abspath() on Windows (GH-119938)
#127534
[3.13] gh-124309: fix staggered race on eager tasks (GH-124847)
#125339
[3.12] gh-100141: Allow pdb to deal with empty file (GH-125425)
#125537

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Top Contributors in v3.12.8

miss-islington
serhiy-storchaka
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