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_remote_debugging: Missing last_profiled_frame updates in coroutines, generators, etc.

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151436 In python/cpython;

· maurycy opened on Jun 13, 2026

Remove unused imports (June 2026)

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#151428 In python/cpython;

· ByteFlowing1337 opened on Jun 13, 2026

os.getresuid() and os.getresgid() are not present in MacOS/Python 3.14.5, but are documented

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#151427 In python/cpython;

· athornton opened on Jun 13, 2026

_remote_debugging: Impossible stack traces (cross calls, orphans, wrong lines) with cache_frames=True

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-profiling

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151424 In python/cpython;

· maurycy opened on Jun 13, 2026

libffi is linked into _ctypes_test.so but not actually used there

buildThe build process and cross-buildThe build process and cross-build

testsTests in the Lib/test dirTests in the Lib/test dir

topic-ctypes

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#151422 In python/cpython;

· hoodmane opened on Jun 12, 2026

tarfile: reject differential-prone global pax records

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#151420 In python/cpython;

· woodruffw opened on Jun 12, 2026

Use-after-free in os.spawnv/spawnve when __fspath__ mutates argv

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151416 In python/cpython;

· gpshead opened on Jun 12, 2026

Race condition in itertools.islice under free-threading

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-free-threading

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151409 In python/cpython;

· KowalskiThomas opened on Jun 12, 2026

When re-importing a submodule lazily after removing it, it's never added back to sys.modules.

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-lazy-imports

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151408 In python/cpython;

· brittanyrey opened on Jun 12, 2026

_posixsubprocess.fork_exec(): use-after-free if an argv item's __fspath__ mutates args

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#151403 In python/cpython;

· tonghuaroot opened on Jun 12, 2026

socket.AddressFamily and socket.SocketKind are undocumented

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#151396 In python/cpython;

· remcohaszing opened on Jun 12, 2026

match + and match - not colorized in the REPL

3.14bugs and security fixesbugs and security fixes

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

3.16new features, bugs and security fixesnew features, bugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#151390 In python/cpython;

· johnslavik opened on Jun 12, 2026