Search results

O(n²) insertion sort in unicodedata.normalize("NFC") canonical ordering

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

topic-unicode

type-securityA security issueA security issue

Status: Open.

#149079 In python/cpython;

· sethmlarson opened on Apr 27, 2026

Add unicode tips for SyntaxError suggestion

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-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148649 In python/cpython;

· Locked-chess-official opened on Apr 16, 2026

Assertion failure in Objects/unicodeobject.c _PyUnicode_DecodeUnicodeEscapeInternal2: Assertion 'end - s <= writer.size - writer.pos' failed

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

topic-unicode

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

Status: Open.

#141336 In python/cpython;

· YuanchengJiang opened on Nov 10, 2025

Split large Objects/unicodeobject.c file into smaller files

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

topic-unicode

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#139353 In python/cpython;

· vstinner opened on Sep 26, 2025

Inconsistent handling of non-ASCII characters in encodings.normalize_encoding()

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

topic-unicode

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

Status: Open.

#136736 In python/cpython;

· serhiy-storchaka opened on Jul 17, 2025

Unicode characters ≥ 0x10000 cannot be inputted/behaves unusually at the REPL terminal.

OS-windows

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

topic-unicode

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

Status: Open.

#136595 In python/cpython;

· haydenwong7bm opened on Jul 12, 2025

Improve unicodedata.numeric return value

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

topic-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#136398 In python/cpython;

· unicodeFun opened on Jul 7, 2025

Quadratic complexity in the UTF-7 decoder

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

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

topic-unicode

type-securityA security issueA security issue

Status: Open.

#119382 In python/cpython;

· serhiy-storchaka opened on May 22, 2024

FULLWIDTH WON SIGN vs WON SIGN

topic-unicode

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

Status: Open.

#114428 In python/cpython;

· malaterre opened on Jan 22, 2024

Update Unicode HOWTO for Python 3

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-unicode

Status: Open.

#107583 In python/cpython;

· frazar opened on Aug 3, 2023

Diacritics are not considered part of words

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

topic-regex

topic-unicode

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

Status: Open.

#101421 In python/cpython;

· xmo-odoo opened on Jan 30, 2023

Specify what Unicode general categories str.isalnum refers to

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-unicode

Status: Open.

#96984 In python/cpython;

· slateny opened on Sep 21, 2022