claude-code - 💡(How to fix) Fix [BUG] Rendering-bug at MacOS App [1 participants]

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anthropics/claude-code#52236Fetched 2026-04-24 06:12:32
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Error Message

Error Messages/Logs

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Preflight Checklist

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

What's Wrong?

When I open my claude desktop app on macOS a Black box appears on the left side next to the sidebar/chat overview and cut out the beginning of the words in my chat.

What Should Happen?

Claude should open smoothly without black boxes and I should be able to read everything

Error Messages/Logs

Steps to Reproduce

<img width="1145" height="614" alt="Image" src="https://github.com/user-attachments/assets/15f10a4f-48a1-476d-93b2-bf0ac980e97b" />

Claude Model

None

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

Model: Claude Sonnet 4.6

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Non-interactive/CI environment

Additional Information

No response

extent analysis

TL;DR

The issue with the black box appearing on the left side of the Claude desktop app on macOS, cutting out the beginning of words in the chat, may be related to a rendering or layout issue.

Guidance

  • Verify that the issue persists across different macOS versions and Claude Code versions to determine if it's a regression or an isolated problem.
  • Check if the black box appears in other parts of the app or only in the chat overview section.
  • Try adjusting the app's window size or zoom level to see if it affects the appearance of the black box.
  • If possible, provide more details about the system configuration, such as screen resolution and graphics card, to help identify potential hardware-related issues.

Notes

The lack of error messages or logs makes it challenging to pinpoint the exact cause, and without more information about the system configuration or previous working versions, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Try adjusting the app's layout or window size to see if it mitigates the issue, as this may help identify if the problem is related to rendering or layout.

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claude-code - 💡(How to fix) Fix [BUG] Rendering-bug at MacOS App [1 participants]