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claude-code - 💡(How to fix) Fix [BUG] UI Issue on Mac laptop [1 participants]

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anthropics/claude-code#48742•Fetched 2026-04-16 06:52:15
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Error Message

Error Messages/Logs

RAW_BUFFERClick to expand / collapse

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?

<img width="922" height="1540" alt="Image" src="https://github.com/user-attachments/assets/eab61aa0-2391-421e-95a4-9dad34792221" /> <img width="436" height="1558" alt="Image" src="https://github.com/user-attachments/assets/0bb6ba97-604b-44e4-ba8e-397b5a455482" /> <img width="792" height="1532" alt="Image" src="https://github.com/user-attachments/assets/5a5cbe34-7926-42a0-8cdf-d15edbb63c30" /> <img width="632" height="1498" alt="Image" src="https://github.com/user-attachments/assets/d65f0653-9345-413f-ac02-631c1cc89e72" />

I am getting this weird white mask issue when I use Claude Desktop on my macOS. When I open the collapse sidebar, I see this white area that cuts the main claude type space for me. When i collapse it, it goes off. I like to keep the collapse sidebar open usually. trying to understand if its an issue i am facing or others too. And how to fix it. I have tried the general recommended forcwe quit, reinstall and termial prompt but nothing is working.

<img width="480" height="452" alt="Image" src="https://github.com/user-attachments/assets/eb5dfe12-301e-47c3-a6de-91af02b809ad" />

What Should Happen?

The sidebar should open and close seamlessly shifting the window to one side like normal sidebar functions.

Error Messages/Logs

Steps to Reproduce

i installed claude to my laptop opened it to use opened the side bar to see my latest projects, chats, etc. noticed the issue

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

Claude 1.2581.0 (f10398) 2026-04-14T17:16:40.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The white mask issue in Claude Desktop on macOS may be related to a regression in the latest version, and a potential fix could be to wait for an update or explore alternative configurations.

Guidance

  • The issue is reported as a regression, suggesting that it worked in a previous version, so exploring previous versions or configurations might provide insight.
  • Since the issue is visual and related to the sidebar, checking for any recent updates or changes in the Claude Desktop UI or macOS compatibility might be helpful.
  • Given that general troubleshooting steps like force quit, reinstall, and terminal prompts have not worked, it may be beneficial to await further guidance from the development team or community.
  • Reviewing the release notes for version 1.2581.0 might provide clues about changes that could be related to this issue.

Notes

The lack of specific error messages or logs limits the ability to provide a precise fix. The issue seems to be platform and version-specific, which might indicate a need for an update or patch from the developers.

Recommendation

Apply workaround: Given the information, waiting for an update or exploring alternative configurations seems to be the safest approach, as there's no clear immediate fix available based on the provided details.

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claude-code - 💡(How to fix) Fix [BUG] UI Issue on Mac laptop [1 participants]