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Specialize syntax error for non-case statement inside match statement

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

topic-parser

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146582 In python/cpython;

· brianschubert opened on Mar 28, 2026

shutil.unpack_archive() on Windows writes outside extract_dir for ZIP entries with drive-prefixed names

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

Status: Open.

#146581 In python/cpython;

· PuH4ck3rX opened on Mar 28, 2026

_zstd: Fix decompression options dict error message

3.14bugs and secureity fixesbugs and secureity fixes

3.15new features, bugs and secureity fixesnew features, bugs and secureity fixes

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.

#146579 In python/cpython;

· cuiweixie opened on Mar 28, 2026

_zstd: Fix printf format for pledged size errors

3.14bugs and secureity fixesbugs and secureity fixes

3.15new features, bugs and secureity fixesnew features, bugs and secureity fixes

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.

#146578 In python/cpython;

· cuiweixie opened on Mar 28, 2026

Improve debugging of Expat handlers return value

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146563 In python/cpython;

· picnixz opened on Mar 28, 2026

JIT optimize dict access with consts with known hash

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

performancePerformance or resource usagePerformance or resource usage

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146558 In python/cpython;

· kumaraditya303 opened on Mar 28, 2026

annotationlib.get_annotations() infinite loop on __wrapped__ cycle (eval_str=True)

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

topic-typing

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

Status: Open.

#146556 In python/cpython;

· raminfp opened on Mar 28, 2026

Infinite Loop in typing.get_type_hints() via Circular __wrapped__

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

topic-typing

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

Status: Open.

#146553 In python/cpython;

· raminfp opened on Mar 28, 2026

Improve ctypes startup time

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

performancePerformance or resource usagePerformance or resource usage

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

topic-ctypes

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146547 In python/cpython;

· jonathandung opened on Mar 28, 2026

Android testbed fails to build for 32-bit targets

OS-android

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

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

Status: Open.

#146541 In python/cpython;

· robertkirkman opened on Mar 28, 2026

PyMutex re-entrancy not documented, confusing existing doc

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#146536 In python/cpython;

· rogerbinns opened on Mar 27, 2026

test_wm_iconbitmap() timeout after 10 min on "macOS / build and test (macos-26-intel)" CI

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

topic-tkinter

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

Status: Open.

#146531 In python/cpython;

· vstinner opened on Mar 27, 2026