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Extend <code>FOR_ITER</code> specializations to cover other indexable sequences

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

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

performancePerformance or resource usagePerformance or resource usage

Status: Open.

#145668 In python/cpython;

· markshannon opened on Mar 9, 2026

Merge the <code>GET_ITER</code> and <code>GET_YIELD_FROM_ITER</code> instructions

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

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

performancePerformance or resource usagePerformance or resource usage

topic-JIT

Status: Open.

#145667 In python/cpython;

· markshannon opened on Mar 9, 2026

Make size of TOS cache configurable

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

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

performancePerformance or resource usagePerformance or resource usage

topic-JIT

Status: Open.

#145665 In python/cpython;

· markshannon opened on Mar 9, 2026

<code>NoReturn</code> should declare the error which raises

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

topic-typing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145660 In python/cpython;

· BarbTurnip437 opened on Mar 9, 2026

http.client.HTTPConnection and HTTPResponse are missing __repr__

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.

#145651 In python/cpython;

· JackDanger opened on Mar 9, 2026

logging.Formatter and logging.Filter are missing __repr__

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.

#145650 In python/cpython;

· JackDanger opened on Mar 9, 2026

Man Page Text Wraps for -X option

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#145649 In python/cpython;

· ryan-duve opened on Mar 8, 2026

"Defining Functions" to "Function Examples" section should be made better

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#145644 In python/cpython;

· hyperkai opened on Mar 8, 2026

Add <code>signal.get_wakeup_fd()</code>

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145638 In python/cpython;

· x42005e1f opened on Mar 8, 2026

Remove "unknown_format" code path in PyFloat_Pack/Unpack*()

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

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

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

topic-C-API

Status: Open.

#145633 In python/cpython;

· skirpichev opened on Mar 8, 2026

<code>LOAD_FAST</code> is not always converted to <code>LOAD_FAST_BORROW</code> in a <code>basicblock</code>

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145629 In python/cpython;

· bkap123 opened on Mar 7, 2026

<code>_struct</code> : NULL Pointer Dereference in Struct.__sizeof__()

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.

#145623 In python/cpython;

· raminfp opened on Mar 7, 2026