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Pull requests: python/cpython
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No longer need to fake lazy imports
3.15
new features, bugs and security fixes
awaiting core review
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#145054
opened Feb 20, 2026 by
rhettinger
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[3.14] gh-144981: Make PyUnstable_Code_SetExtra/GetExtra thread-safe (GH-144980)
awaiting review
#145052
opened Feb 20, 2026 by
miss-islington
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gh-145044: Increase performance in unsafe_object_compare by not using Py_DECREF() for immortal res_obj
awaiting review
#145045
opened Feb 20, 2026 by
benediktjohannes
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gh-141004: Document Documentation in the Doc dir
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
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topic-C-API
PyModuleDef_Type
awaiting core review
docs
#145043
opened Feb 20, 2026 by
ZeroIntensity
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gh-66802: Add
unicodedata.block() function
awaiting review
#145042
opened Feb 20, 2026 by
StanFromIreland
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gh-145040: Fix crash in sqlite3 when connection is closed during aggregate callback
awaiting review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#145041
opened Feb 20, 2026 by
raminfp
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gh-141510: Add _GUARD_NOS_ANY_DICT to prevent STORE_SUBSCR_DICT on frozendict
awaiting core review
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#145039
opened Feb 20, 2026 by
corona10
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gh-145037: Fix Emscripten trampoline with emcc >= 4.0.19
awaiting review
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
OS-emscripten
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#145038
opened Feb 20, 2026 by
hoodmane
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gh-145028: Fix blake2 tests in test_hashlib when it is missing due to configure --without-builtin-hashlib-hashes
awaiting review
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tests
Tests in the Lib/test dir
#145029
opened Feb 20, 2026 by
tucif
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gh-141510: Fix copy.deepcopy() for recursive frozendict
awaiting core review
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#145027
opened Feb 19, 2026 by
vstinner
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gh-144725: Relax over-strict alignment test on small arrays
awaiting review
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tests
Tests in the Lib/test dir
#145026
opened Feb 19, 2026 by
jakelishman
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gh-145024: Improved wording for broken socket for socket.send
awaiting review
docs
Documentation in the Doc dir
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#145025
opened Feb 19, 2026 by
bkap123
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[3.14] gh-144986: Fix memory leak in atexit.register() (GH-144987)
awaiting merge
#145020
opened Feb 19, 2026 by
miss-islington
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gh-137165: Unify
datetime.strftime behavior for unsupported non-zero-padded specifiers
awaiting review
#145018
opened Feb 19, 2026 by
F0RRZZ
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[3.13] gh-145008: Maintain stack consistency in CALL_BOUND_METHOD_EXACT_ARGS
awaiting core review
#145015
opened Feb 19, 2026 by
Fidget-Spinner
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[3.13]
compute-changes.py: Fix & test process_changed_files() (GH-144674)
awaiting review
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#145014
opened Feb 19, 2026 by
StanFromIreland
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[3.14]
compute-changes.py: Fix & test process_changed_files() (GH-144674)
awaiting review
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#145013
opened Feb 19, 2026 by
StanFromIreland
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gh-145010: Fix Python.h compilation with -masm=intel
awaiting core review
topic-free-threading
#145011
opened Feb 19, 2026 by
colesbury
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GH-145006: add ModuleNotFoundError hints when a module for a differen…
awaiting core review
#145007
opened Feb 19, 2026 by
FFY00
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GH-145000: Add a tool to check removed HTML IDs
awaiting merge
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#145001
opened Feb 19, 2026 by
encukou
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gh-144873: Document isinstance Optimization
awaiting review
docs
Documentation in the Doc dir
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#144997
opened Feb 19, 2026 by
George-Ogden
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gh-144995: Optimize memoryview == memoryview
awaiting core review
#144996
opened Feb 19, 2026 by
vstinner
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gh-88091: Fix
unicodedata.decomposition for Hangul Syllables
awaiting review
#144993
opened Feb 19, 2026 by
StanFromIreland
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gh-144984: Fix crash in ExternalEntityParserCreate() error paths
awaiting merge
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#144992
opened Feb 19, 2026 by
raminfp
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