[BUG] VS Code Extension for Windows ARM64 Stuck at Version 2.0.46 - Cannot Update to Latest

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?

What's Wrong?

The Claude Code VS Code extension on Windows ARM64 is stuck at version 2.0.46 and cannot be updated to the current version (2.1.9). The VS Code Marketplace does not offer the latest version for ARM64 architecture, while x64 machines receive version 2.1.9.

This results in ARM64 users missing significant features available in newer versions, including:

• "Switch Account" option in settings (ARM64 only shows "Login")
• Access to Opus 4.5 model selection
• All bug fixes and improvements from versions 2.0.47 through 2.1.9

Environment

ARM64 Machine (affected):

• Device: Microsoft Surface Laptop, 7th Edition
• Processor: Snapdragon X 12-core X1E80100 @ 3.40 GHz (3.42 GHz)
• RAM: 32.0 GB (31.6 GB usable)
• System Type: 64-bit operating system, ARM-based processor
• OS: Windows 11 ARM64 (Build 10.0.26200)
• VS Code Version: 1.108.1 (user setup)
• Commit: 585eba7c0c34fd6b30faac7c62a42050bfbc0086
• Date: 2026-01-14T14:55:44.241Z
• Electron: 39.2.7
• Node.js: 22.21.1
• Claude Code Extension Version: 2.0.46 (latest available for ARM64)

x64 Machine (working correctly):

• Claude Code Extension Version: 2.1.9

What I've Tried

1. Uninstall and reinstall the extension - Still installs 2.0.46
2. Clear extension cache by removing %USERPROFILE%\.vscode\extensions\anthropic.claude-code-* and reinstalling - Still installs 2.0.46
3. Update VS Code to latest version (1.108.1) - No effect on extension version
4. Restart VS Code multiple times - No effect

What Should Happen?

The VS Code Marketplace should offer the same extension version (2.1.9) for Windows ARM64 as it does for x64 architectures.

Actual Behavior

Windows ARM64 users are stuck on version 2.0.46 with no way to update, missing ~2 months of updates and features.

Additional Context

This appears to be a distribution/packaging issue where ARM64 builds are not being published to the VS Code Marketplace at the same pace as x64 builds. The extension changelog shows ARM64-specific fixes were made in the past (e.g., "Fixed extension not working on Windows ARM64 by falling back to x64 binary via emulation"), so ARM64 is a supported platform.

Impact

• Cannot access Opus 4.5 model (only Opus 4.1 available)
• Missing "Switch Account" functionality
• Missing all security patches and bug fixes since version 2.0.4

Error Messages/Logs

Steps to Reproduce

1. On a Windows ARM64 machine, open VS Code
2. Go to Extensions marketplace
3. Search for "Claude Code" by Anthropic
4. Observe that version 2.0.46 is shown as the latest available
5. Compare with an x64 machine where version 2.1.9 is available

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.0.46

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_