[BUG] mention autocomplete does not show folders/files with Korean (Hangul) characters

Open 💬 0 comments Opened Jun 16, 2026 by simturong

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] This is a single bug report (please file separate reports for different bugs)
  • [x] I am using the latest version of Claude Code

What's Wrong?

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Title:
@ mention autocomplete does not show folders/files with Korean (Hangul) characters

Body:
Describe the bug
When typing @ to reference files/folders, directories with Korean (Hangul) characters in their names do not appear in the autocomplete suggestions.

Expected behavior
Folders and files with Korean (non-ASCII Unicode) names should appear in the autocomplete suggestions.

Environment

  • OS: Windows 11
  • Claude Code version: (check with claude --version)

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What Should Happen?

always

Error Messages/Logs

Steps to Reproduce

Steps to reproduce

  1. Have a folder with a Korean name (e.g. 한글폴더) in the working directory
  2. Type @ and start typing the Korean folder name
  3. The folder does not appear in the autocomplete list

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.178

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

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