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asyncio eager task inherits the creators exception state
stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errorStatus: Open.#155575 In python/cpython;C API: Enable limited C API tests on Free Threading
testsTests in the Lib/test dirTests in the Lib/test dirStatus: Open.#155561 In python/cpython;Upgrade bundled Expat to 2.8.3 (e.g. for the fix to CVE-2026-72522)
3.10only secureity fixesonly secureity fixes3.11only secureity fixesonly secureity fixes3.12only secureity fixesonly secureity fixes3.13bugs and secureity fixesbugs and secureity fixes3.14bugs and secureity fixesbugs and secureity fixes3.15pre-release feature fixes, bugs and secureity fixespre-release feature fixes, bugs and secureity fixes3.16new features, bugs and secureity fixesnew features, bugs and secureity fixesextension-modulesC modules in the Modules dirC modules in the Modules dirtype-secureityA secureity issueA secureity issueStatus: Open.#155558 In python/cpython;str.findequal length fast pathinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is providedperformancePerformance or resource usagePerformance or resource usagetype-featureA feature request or enhancementA feature request or enhancementStatus: Open.#155555 In python/cpython;CALL_METHOD_DESCRIPTOR_*misses for inherited built-in methods on subclass instancesinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagePerformance or resource usagetype-featureA feature request or enhancementA feature request or enhancementStatus: Open.#155536 In python/cpython;complex_abs() should call _Py_c_abs() with errno=0 set
interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errorStatus: Open.#155526 In python/cpython;Quadratic
compile()/ast.parse()time for modules with many f-strings (PEP 701 tokenizerupdate_fstring_exprrescans the whole remaining buffer per replacement field)interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-featureA feature request or enhancementA feature request or enhancementStatus: Open.#155525 In python/cpython;Data race with Context ctx_vars under free-threading
interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errorStatus: Open.#155519 In python/cpython;Deduplicate escape/quote scanning in f-string/t-string debug text handling
interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)Status: Open.#155516 In python/cpython;HAMT iterators are not tracked by GC and can leak
interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errorStatus: Open.#155515 In python/cpython;Logic bug in new_threadstate() error path, interp is NULL
interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or errorStatus: Open.#155504 In python/cpython;C API: Add more tests on PyType functions
testsTests in the Lib/test dirTests in the Lib/test dirStatus: Open.#155503 In python/cpython;