[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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