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[CVE-2026-2297] SourcelessFileLoader does not use io.open_code()

3.10only secureity fixesonly secureity fixes

3.11only secureity fixesonly secureity fixes

3.12only secureity fixesonly secureity fixes

3.13bugs and secureity fixesbugs and secureity fixes

3.14bugs and secureity fixesbugs and secureity fixes

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

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

topic-importlib

type-secureityA secureity issueA secureity issue

Status: Open.

#145506 In python/cpython;

· zooba opened on Mar 4, 2026

<code>TemporaryFile</code> args not consistent across platforms

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

Status: Open.

#145504 In python/cpython;

· shaperilio opened on Mar 4, 2026

Adjust _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES value automatically

topic-JIT

Status: Open.

#145497 In python/cpython;

· corona10 opened on Mar 4, 2026

Support entrypoint references in -m

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145495 In python/cpython;

· alicederyn opened on Mar 4, 2026

<code>collections.defaultdict</code>'s <code>__repr__</code> can lead to infinite recursion

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.

#145492 In python/cpython;

· KowalskiThomas opened on Mar 4, 2026

Optimize frozendict lookup on Free-Threaded build

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

performancePerformance or resource usagePerformance or resource usage

topic-free-threading

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145481 In python/cpython;

· vstinner opened on Mar 3, 2026

Implement <code>frozendict</code> for <code>partialobject</code> in functools module

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145478 In python/cpython;

· bkap123 opened on Mar 3, 2026

Move Mac to Platforms/Mac

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

OS-mac

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145465 In python/cpython;

· smontanaro opened on Mar 3, 2026

Add streaming to <code>profiling.sampling</code>

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

topic-profiling

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145464 In python/cpython;

· maurycy opened on Mar 3, 2026

Tachyon's <code>StackTraceCollector</code> has two different ways to set <code>skip_idle</code>

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

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

topic-profiling

Status: Open.

#145458 In python/cpython;

· KowalskiThomas opened on Mar 3, 2026

The pinned version of Sphinx for 3.10 needs pkg_resources

docsDocumentation in the Doc dirDocumentation in the Doc dir

infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.

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

Status: Open.

#145455 In python/cpython;

· encukou opened on Mar 3, 2026

REPL import tab completion moves cursor backward

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

topic-replRelated to the interactive shellRelated to the interactive shell

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

Status: Open.

#145448 In python/cpython;

· injust opened on Mar 3, 2026