[BUG] Launching maximized results in empty window

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?

Bug: When Claude desktop launches in maximised window on MacOS, blank screen is displayed.

Repro steps:

1. Maximise Claude for mac window.
2. Close it with CMD+Q
3. Launch Claude for mac again

Expected: Claude launches maximised with all content visible and usable
Actual: Claude launches maximised with no content, only grey screen is visible.

MacOS 15.7.4 (24G517), Claude 1.1617.0 (8d6345) 2026-04-09T16:10:15.000Z

What Should Happen?

Expected: Claude launches maximised with all content visible and usable

Error Messages/Logs

Steps to Reproduce

Repro steps:

1. Maximise Claude for mac window.
2. Close it with CMD+Q
3. Launch Claude for mac again

Expected: Claude launches maximised with all content visible and usable
Actual: Claude launches maximised with no content, only grey screen is visible.

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude 1.1617.0 (8d6345) 2026-04-09T16:10:15.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_