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datetime: Comparision does not correctly account for folded time

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

Status: Open.

#146236 In python/cpython;

· jepler opened on Mar 21, 2026

Better fork support in cached FastPath instances

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

topic-importlib

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146228 In python/cpython;

· jaraco opened on Mar 20, 2026

Repeated Python Thread State creation and destruction for foreign threads is slow

docsDocumentation in the Doc dirDocumentation in the Doc dir

performancePerformance or resource usagePerformance or resource usage

topic-free-threading

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146219 In python/cpython;

· gpshead opened on Mar 20, 2026

HTTP proxy via "CONNECT" tunneling doesn't sanitize CR/LF

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

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

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

type-securityA security issueA security issue

Status: Open.

#146211 In python/cpython;

· sethmlarson opened on Mar 20, 2026

LLVM 22 clang-cl on Windows fails for jit builds

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

OS-windows

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

Status: Open.

#146210 In python/cpython;

· chris-eibl opened on Mar 20, 2026

Allow storing the instruction offset as an alternative to the instruction pointer in the frame.

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146208 In python/cpython;

· markshannon opened on Mar 20, 2026

Building with OpenSSL-4.0.0-alpha1 fails with

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

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

topic-SSL

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

Status: Open.

#146207 In python/cpython;

· heitbaum opened on Mar 20, 2026

test_itertools: non-ASCII temp dir name corrupted under Windows mbcs codepage and not removed, causing FileNotFoundError in subsequent tests

OS-windows

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.

#146202 In python/cpython;

· Aasyaco opened on Mar 20, 2026

code_richcompare swallows errors

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.

#146199 In python/cpython;

· bkap123 opened on Mar 20, 2026

Add CI job for Emscripten

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

OS-emscripten

Status: Open.

#146197 In python/cpython;

· hoodmane opened on Mar 20, 2026

Asyncio does not handle nested KeyboardInterrupt correctly

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

topic-asyncio

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

Status: Open.

#146194 In python/cpython;

· user202729 opened on Mar 20, 2026

C accelerator for Base32 character encoding

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146192 In python/cpython;

· kangtastic opened on Mar 20, 2026