[BUG] Voice input stopped transcribing after updating to 2.1.156 in VS Code on Windows 11

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?

After updating to version 2.1.156, voice input is detected (microphone captures audio) but transcription stops working, no text is written to the input field. This worked correctly in the previous version.

The issue appeared immediately after the automatic update on Windows 11. Reloading the VS Code window did not fix it.

What Should Happen?

When using voice input, Claude Code should transcribe spoken words and write them into the chat input field, as it did before the 2.1.154 / .155 and .156 update.

Error Messages/Logs

No error messages displayed. Voice input activates silently but produces no transcribed text.

Steps to Reproduce

Install or update Claude Code extension to version 2.1.156 on Windows 11
Open VS Code and navigate to the Claude Code panel
Click the microphone button to activate voice input
Speak clearly into the microphone
Observe that the microphone icon shows it is active and capturing audio, but no text appears in the input field

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.153

Claude Code Version

Claude Sonnet 4.6

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

Using Claude Code as VS Code extension, not CLI