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HTMLParser differences from the HTML5 specification

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

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

Status: Open.

#135661 In python/cpython;

· serhiy-storchaka opened on Jun 18, 2025

3.14: missing sys.implementation.supports_isolated_interpreters?

3.14bugs and security fixesbugs and security fixes

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

topic-subinterpreters

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

Status: Open.

#135645 In python/cpython;

· henryiii opened on Jun 17, 2025

<code>_hmac</code>: GIL may be released while attempting to set an exception

3.14bugs and security fixesbugs and security fixes

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

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

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

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#135561 In python/cpython;

· picnixz opened on Jun 16, 2025

Segmentation fault, possibly due to a GC issue

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

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

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#135552 In python/cpython;

· fxeqxmulfx opened on Jun 16, 2025

Unhandled <code>armv8l</code> key in <code>sysconfig.get_platform</code> on Android

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

OS-android

stdlibPython modules in the Lib dirPython modules in the Lib dir

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

Status: Open.

#135542 In python/cpython;

· Mrakorez opened on Jun 15, 2025

Worst case quadratic complexity in HTMLParser

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

3.9only security fixesonly security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-securityA security issueA security issue

Status: Open.

#135462 In python/cpython;

· serhiy-storchaka opened on Jun 13, 2025

List comprehensions cause subinterpreter crashes

3.14bugs and security fixesbugs and security fixes

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)

topic-subinterpreters

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#135450 In python/cpython;

· ZeroIntensity opened on Jun 13, 2025

3.13 asyncio DatagramTransport buffer size accounting regression.

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

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-asyncio

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

Status: Open.

#135444 In python/cpython;

· jsbronder opened on Jun 12, 2025

-Werror doesn't error out on DeprecationWarning for os.fork()

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

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.

#135427 In python/cpython;

· fperrin opened on Jun 12, 2025

Invalid error messages after GH-134077

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)

topic-parser

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

Status: Open.

#135422 In python/cpython;

· sobolevn opened on Jun 12, 2025

Segfault from calling <code>StringIO</code> methods in threads on free-threading debug build

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

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

topic-free-threading

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#135410 In python/cpython;

· devdanzin opened on Jun 11, 2025

Objects with both <code>__slots__</code> and <code>__dict__</code> have much larger size than needed (up to 4x) on Python 3.13

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

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

performancePerformance or resource usagePerformance or resource usage

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

Status: Open.

#135385 In python/cpython;

· ariebovenberg opened on Jun 11, 2025