Extension no longer supported in second sidebar

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

VS Code extension no longer shown in secondary sidebar, next to cursor chat tabs. Im using Anthropic and OpenAI VS code extensions next to my Cursor chat tabs.

Steps to Reproduce

Worked fine on 2.6.22, now with 2.7.0 it’s broken.

I want my Cursor, Claude and OpenAI chats all on right side panel, like before. As tabs. Now I have to move the OpenAI/Claude chat to separate activity windows next to files, which wastes a lot of screen real estate.

Operating System

MacOS

Version Information

Version: 2.7.0-pre.177.patch.0
VSCode Version: 1.105.1
Commit: 6f2d8c84cbe9db9bb5ebb53a2aee4c0110851b50
Date: 2026-04-01T16:48:21.497Z
Layout: editor
Build Type: Stable
Release Track: Nightly
Electron: 39.8.1
Chromium: 142.0.7444.265
Node.js: 22.22.1
V8: 14.2.231.22-electron.0
OS: Darwin arm64 25.4.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

Hey, this is a known limitation of the new Glass layout that shipped in 2.7.0. Glass replaces the auxiliary bar secondary sidebar with its own panel system, so extensions like Claude and OpenAI can no longer show up as tabs next to Cursor chat.

Right now, those extensions need to run from the Activity Bar left sidebar. The functionality is still there, it’s just in a different place.

There’s already a main thread for this request: Secondary Sidebar not supported. The team is aware of it. There’s no timeline yet, but your report helps with prioritization.

Let me know if you have any other questions.

Hi, how do we relocated extensions like Claude Code & Codex from the sidebar to the activity bar ?

Currently I could find anything in neither the settings.json that works (in both user & default settings, switching to "claudeCode.preferredLocation” to “panel“ didn’t work neither), nor in the extensions settings, nor anything on the current Cursor UI to do that. I also tried uninstalling the extensions, then reboot Cursor but didn’t changed anything neither.

Current Cursor version : 3.0.4
VSCode Version: 1.105.1
Commit: 63715ffc1807793ce209e935e5c3ab9b79fddc80
Date: 2026-04-02T09:36:23.265Z
Layout: editor
Build Type: Stable
Release Track: Default
Electron: 39.8.1
Chromium: 142.0.7444.265
Node.js: 22.22.1
V8: 14.2.231.22-electron.0
OS: Darwin arm64 24.6.0

1 Like

I was able to get it to show back up in the activity bar by issuing:

  1. View: Reset View Locations
  2. Developer: Reload Window

However, it looks like they just pushed an update and I am now able to drag Claude Code from the activity bar to the sidebar again.

1 Like

Nice, thanks for the View: Reset View Location tip :+1:
Confirmed the update re-enabled the extensions in the right sidebar again.