[BUG] The extension 'Claude Code for VS Code' shows a completely blank page.

Resolved 💬 5 comments Opened Mar 14, 2026 by zhxiaokang Closed Apr 12, 2026

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?

I have installed the extension on my VS Code, but when I click on the icon, I only have a blank page.

What Should Happen?

I also see a message popped out at the bottom right corner: v is not iterable.

Error Messages/Logs

Error: v is not iterable
onDidChangeNotification    @    notificationsAlerts.ts:40

Steps to Reproduce

I have installed the extension on my VS Code, but when I click on the icon, I only have a blank page.

Claude Model

Sonnet (default)

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.76

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_

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