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codex - 💡(How to fix) Fix Blank GUI window after update on macOS Tahoe (Apple Silicon) while CLI works normally [1 comments, 2 participants]

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openai/codex#19993•Fetched 2026-04-29 06:24:00
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What version of the Codex App are you using (From “About Codex” dialog)?

26.422.62136 (2180)

What subscription do you have?

Plus

What platform is your computer?

Darwin 25.4.0 arm64 arm

What issue are you seeing?

Symptoms:

Codex GUI launches, but the window is completely blank/empty CLI works perfectly Authentication works Network/proxy works No crashes visible in CLI mode

I launch Codex through proxy environment variables:

http_proxy=http://127.0.0.1:8118 https_proxy=http://127.0.0.1:8118 all_proxy=http://127.0.0.1:8118

CLI launch command works correctly:

"/Applications/Codex.app/Contents/Resources/codex"

GUI launch command opens an empty window:

"/Applications/Codex.app/Contents/MacOS/Codex"

Relevant logs:

[electron-message-handler] [startup][renderer] app routes mounted [electron-message-handler] Handled 'ready' message, sent ide-context-updated

and repeatedly:

unsupported feature enablement workspace_dependencies

I already tried:

clearing ~/Library/Application Support/Codex clearing caches reinstalling Codex removing runtime cache resetting Electron state

The issue started only after the latest update. CLI remains fully functional.

What steps can reproduce the bug?

Latest update

What is the expected behavior?

No response

Additional information

No response

extent analysis

TL;DR

The issue might be related to the latest update, and trying to disable the workspace_dependencies feature or checking the proxy settings could be a potential workaround.

Guidance

  • Verify if the workspace_dependencies feature is enabled in the GUI settings, and try disabling it to see if it resolves the issue.
  • Check the proxy settings and ensure they are correctly configured, as the GUI launch command might be affected by the proxy environment variables.
  • Try launching the GUI without the proxy environment variables to isolate the issue.
  • Review the Electron state and settings to see if there are any configuration issues that could be causing the problem.

Example

No code snippet is provided as it's not clearly supported by the issue.

Notes

The issue seems to be specific to the GUI launch command, and the CLI launch command works correctly. The workspace_dependencies feature error message might be a clue to the problem.

Recommendation

Apply workaround: Try disabling the workspace_dependencies feature or checking the proxy settings, as the issue started after the latest update and the CLI remains functional.

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#output truncation#response parsing#generation error#database connection#environment variable

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codex - 💡(How to fix) Fix Blank GUI window after update on macOS Tahoe (Apple Silicon) while CLI works normally [1 comments, 2 participants]