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Windows 11: Unicode / UTF-8 rendering broken across all terminals #14661

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Description

@bymcs

Description

The issue is reproducible across all installation methods (npm, pnpm, scoop).
Removing configuration files did not resolve the problem.

Plugins

No response

OpenCode version

1.2.10

Steps to reproduce

Install opencode globally (npm / pnpm / scoop)
Open any terminal on Windows 11
Run: opencode
CLI starts
Unicode characters in the UI appear corrupted (e.g. â–, é, broken box characters)

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Operating System

Windows 11 (x64)

Terminal

Windows Terminal, VS Code Integrated Terminal, PowerShell, CMD

Activity

  1. github-actions commented on Feb 22, 2026

    @github-actions
    Contributor

    This issue might be a duplicate of existing issues. Please check:

    If your issue is distinct from the above, please mention how it differs.

  2. bymcs commented on Feb 22, 2026

    @bymcs
    Author

    The web version works correctly — the issue only occurs in the CLI on Windows.

  3. github-actions commented on Apr 24, 2026

    @github-actions
    Contributor

    To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.

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