pypi / wcwidth

wcwidth

What changed in wcwidth 0.9, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-25.

1 breaking1 security1 performance4 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@unstale/cli 0.2.8 on npm

wcwidth 0.97 changes

Breaking changes 1

Trailing content in hyperlink parameter sequences is rejected.
0.9.3release notes

Security 1

Adds null pointer safeguards in utf8.c.
0.9.3release notes

Performance 1

Includes various performance gains, shortcuts and bitsets.
0.9.4release notes

Fixes and other changes 4

Fixes flag emoji width handling after control characters.
0.9.4release notes
Hyperlink parameters are preserved across wrapped lines.
0.9.3release notes
Fixes clip() when tabsize=0.
0.9.2release notes
Omits an empty line from wrap() output.
0.9.2release notes