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Pull requests: python/cpython
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[WIP] gh-134584: Eliminate redundant refcounting from _CALL{_BUILTIN_O, _METHOD_DESCRIPTOR_O}
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#143330
opened Jan 1, 2026 by
corona10
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gh-142665: fix UAF when accessing a
memoryview concurrently mutates the underlying buffer
awaiting core review
#143324
opened Jan 1, 2026 by
picnixz
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gh-143310: fix crash in Tcl object conversion with concurrent mutations
awaiting core review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
topic-tkinter
#143321
opened Jan 1, 2026 by
picnixz
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gh-134584: Eliminate redundant refcounting from
_LOAD_ATTR_SLOT
awaiting review
#143320
opened Jan 1, 2026 by
Zheaoli
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gh-143304: Fix ctypes.CDLL to honor handle parameter on POSIX systems
awaiting core review
#143318
opened Dec 31, 2025 by
Koolvansh07
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gh-133403: Add type annotations to generate_levenshtein_examples.py
awaiting review
pending
The issue will be closed if no feedback is provided
#143317
opened Dec 31, 2025 by
sandole
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gh-142965: Fix Concatenate documentation to reflect valid use cases
awaiting review
docs
Documentation in the Doc dir
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#143316
opened Dec 31, 2025 by
sandole
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gh-143309: fix UAF in bugs and security fixes
needs backport to 3.14
bugs and security fixes
os.execve when the environment is concurrently mutated
awaiting core review
needs backport to 3.13
#143314
opened Dec 31, 2025 by
picnixz
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gh-143308: fix UAF when PickleBuffer is concurrently mutated in a callback
awaiting merge
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#143312
opened Dec 31, 2025 by
a12k
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gh-133315: Fix email MIMEPart content behavior with legacy policies
awaiting review
#143307
opened Dec 31, 2025 by
hrimov
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gh-142663: Fix use-after-free in memoryview comparison
awaiting review
#143305
opened Dec 31, 2025 by
superboy-zjc
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gh-143299: Doc: Clarify inspect.getsource behavior regarding shared lines
awaiting review
docs
Documentation in the Doc dir
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#143301
opened Dec 30, 2025 by
a12k
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[3.13] gh-143237: Fix support of named pipes in the rotating logging handlers (GH-143259)
awaiting review
#143298
opened Dec 30, 2025 by
miss-islington
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[3.14] gh-143237: Fix support of named pipes in the rotating logging handlers (GH-143259)
awaiting review
#143297
opened Dec 30, 2025 by
miss-islington
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gh-73433: Update the document for epoll.poll in select.rst
awaiting review
docs
Documentation in the Doc dir
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#143296
opened Dec 30, 2025 by
aisk
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Update docstrings of bugs and security fixes
needs backport to 3.14
bugs and security fixes
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topic-typing
typing.Hashable, typing.List, etc., to reflect their deprecation
awaiting core review
needs backport to 3.13
#143295
opened Dec 30, 2025 by
AlexWaygood
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gh-143293: Clarify that Documentation in the Doc dir
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select.{kqueue,kevent} can be used on macOS
awaiting review
docs
#143294
opened Dec 30, 2025 by
aisk
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gh-72239: Add note distinguishing concurrent.futures.Future from asyncio.Future
awaiting merge
docs
Documentation in the Doc dir
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#143288
opened Dec 30, 2025 by
aisk
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gh-143189: fix insertdict() for non-Unicode key
awaiting merge
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#143285
opened Dec 30, 2025 by
methane
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gh-135898: Add section to free-threading howto about memory usage.
docs
Documentation in the Doc dir
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topic-free-threading
gh-124951: Optimize base64 encode & decode for an easy 2-3x speedup [no SIMD]
awaiting core review
performance
Performance or resource usage
#143262
opened Dec 29, 2025 by
gpshead
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gh-138122: Move local imports to module level in sampling profiler
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type-refactor
Code refactoring (with no changes in behavior)
#143257
opened Dec 28, 2025 by
pablogsal
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gh-143253: Add libabigail suppression file for internal types
awaiting core review
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#143254
opened Dec 28, 2025 by
pablogsal
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gh-143249: Fix buffer leak when overlapped operation fails to start (OS-Windows)
awaiting merge
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#143250
opened Dec 28, 2025 by
hyongtao-code
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gh-143196: fix heap-buffer-overflow in JSON encoder indent cache
awaiting review
#143246
opened Dec 28, 2025 by
caverac
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