[BUG] Vertical gap in window next to

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?

There is a column of missing screen in my Claude Desktop app to the right of the sidebar. It hides the left side of the main area.

https://github.com/user-attachments/assets/bea71b87-bade-4b4e-816e-5321cea28559

What Should Happen?

I should be able to see the whole window

Error Messages/Logs

Steps to Reproduce

1. Open Claude
2. Move mouse over Claude window, across edge of sidebar

https://github.com/user-attachments/assets/0604db5d-5a8e-4e0b-a40f-a086fe621985

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude 1.3109.0 (35cbf6) 2026-04-16T20:32:01.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_