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test_bz2.testDecompressorChunksMaxsize is flaky due to non-deterministic BIG_TEXT

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.

#145607 In python/cpython;

· colesbury opened on Mar 6, 2026

<code>_CallableGenericAlias</code> class and <code>typing.Callable</code> docstring should be corrected

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#145602 In python/cpython;

· hyperkai opened on Mar 6, 2026

Reject control characters in more places in <code>http.cookies.Morsel</code>

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

type-securityA security issueA security issue

Status: Open.

#145599 In python/cpython;

· StanFromIreland opened on Mar 6, 2026

Slicing in Wrong Place in Docs

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#145591 In python/cpython;

· George-Ogden opened on Mar 6, 2026

multiprocessing.connection.wait high CPU load with empty object_list

OS-windows

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

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

Status: Open.

#145587 In python/cpython;

· danielhrisca opened on Mar 6, 2026

Prepare Tkinter 9.1 screenreader support

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

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

topic-tkinter

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145578 In python/cpython;

· ThingamabobsCoding opened on Mar 6, 2026

The explanation of "Annotating callable objects" section should be made better

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-typing

Status: Open.

#145577 In python/cpython;

· hyperkai opened on Mar 6, 2026

Thread safety of PyCapsule

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

topic-C-API

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

Status: Open.

#145563 In python/cpython;

· eendebakpt opened on Mar 5, 2026

Expose signal-safe way to print stacktraces

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

topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145559 In python/cpython;

· alexmalyshev opened on Mar 5, 2026

smtplib.quoteaddr() returns malformed angle-bracket address for input '&lt;'

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

topic-email

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

Status: Open.

#145552 In python/cpython;

· stefanzetzsche opened on Mar 5, 2026

VSOCK test_socket.testStream() fails on aarch64 Fedora Stable 3.x buildbot

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.

#145548 In python/cpython;

· vstinner opened on Mar 5, 2026

unittest.util.sorted_list_difference fails to deduplicate tail elements

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

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

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

Status: Open.

#145546 In python/cpython;

· stefanzetzsche opened on Mar 5, 2026