Slow Opening

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I have a report for my issue:
ug Report: Codex VS Code extension loads extremely slowly (15+ minutes) despite clean reinstall

Environment:

macOS Sequoia 15.0.1

VS Code latest version

OpenAI Codex extension latest version

Full clean uninstall of VS Code performed (including deleting ~/.vscode, Application Support/Code, caches, and preferences)

Issue:
Codex in VS Code takes 15 minutes or more to load every time.
After it finishes loading, it becomes usable, but the initialization time is extremely long.
This has been happening for almost 2 days.

What I already tried:

Completely uninstalling VS Code

Deleting all VS Code caches

Deleting workspaceStorage

Deleting globalStorage

Deleting Application Support/Code

Removing every extension

Reinstalling Codex

Disabling GitHub Copilot Chat (which threw GitHubLoginFailed repeatedly)

Checking OpenAI API connectivity (api.openai.com is reachable)

Checking the MCP registry link (works)

Restarting Mac multiple times

Console Log Snippets:

INFO MCP Registry configured: https://api.mcp.github.com
ERR chatParticipant must be declared in package.json: claude-code
ERR lock() request could not be registered: InvalidStateError
Settings Sync: Account status changed from uninitialized to unavailable

There are no Codex-related errors in the console.

Observed Behavior:

Codex webview takes 15–20 minutes to finally appear

No network errors in the devtools

Codex freezes the extension host while loading

Happens even on a clean VS Code install

Happens even with no other AI extensions installed

Once it loads, the panel is responsive

Expected Behavior:
Codex should load within a few seconds.

Notes:
It appears the Codex extension may be waiting on a backend handshake or stuck on a webview lock, since the issue persists after a full clean reinstall and occurs even with no user settings or other extensions.

Any help would be appreciated!