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Increase performance in unsafe_object_compare by not using Py_DECREF() for immortal res_obj

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145044 In python/cpython;

·benediktjohannes openedon Feb 20, 2026

NULL dereference in _sqlite when connection is closed inside aggregate step callback

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

topic-sqlite3

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

Status: Open.

#145040 In python/cpython;

·raminfp openedon Feb 20, 2026

Emscripten: Trampoline doesn't work with emcc 4.0.19 due to table/memory visibility

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

OS-emscripten

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

Status: Open.

#145037 In python/cpython;

·hoodmane openedon Feb 20, 2026

Possible data race in <code>list.__sizeof__()</code> with free-threading build

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

topic-free-threading

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

Status: Open.

#145036 In python/cpython;

·Naserume openedon Feb 20, 2026

Allow omitting <code>_pyrepl</code> module

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

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

topic-replRelated to the interactive shellRelated to the interactive shell

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145035 In python/cpython;

·zooba openedon Feb 20, 2026

Implement PEP 747: TypeForm

topic-typing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145033 In python/cpython;

·JelleZijlstra openedon Feb 20, 2026

Docs: problem with page "8. Compound statements"

docsDocumentation in the Doc dirDocumentation in the Doc dir

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

Status: Open.

#145032 In python/cpython;

·Dustin4444 openedon Feb 20, 2026

Suggest the possible module in "python -m module"

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.

#145031 In python/cpython;

·Locked-chess-official openedon Feb 20, 2026

asyncio.streams.streamWriter used with a fifo on macOS closes after one write

OS-mac

topic-asyncio

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

Status: Open.

#145030 In python/cpython;

·neek78 openedon Feb 20, 2026

test_hashlib blake2 tests fail on python configured --without-builtin-hashlib-hashes

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.

#145028 In python/cpython;

·tucif openedon Feb 20, 2026

Clarify behavior of socket.send/socket.recv on closed connection

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#145024 In python/cpython;

·bkap123 openedon Feb 19, 2026

test_tools crashing on MacOS

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.

#145021 In python/cpython;

·smontanaro openedon Feb 19, 2026