[BUG] Shift+Enter not working in the Mac Claude Code Desktop app

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?

The entire time this app has existed, this feature has been working, but today I am unable to hit Shift+Enter to go to a new line while typing in the chat box. No matter how many times I force quit and re-open Claude, the issue still persists.

What Should Happen?

When you press Shift+Enter, in the text box when you are typing, it should go to a new line without sending the message.

Just like I did here.

Error Messages/Logs

None

Steps to Reproduce

1. open claude
2. type something in the chat box
3. Press Shft+Enter

This will result in sending the message, rather than going to a new line within the chat box.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.1.2685

Platform

Other

Operating System

macOS

Terminal/Shell

Other

Additional Information

_No response_