codex - 💡(How to fix) Fix VS Code plugin no longer shows diff per file module [1 comments, 2 participants]

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openai/codex#21242Fetched 2026-05-06 06:24:20
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What version of the IDE extension are you using?

Version: 1.118.1 (Universal)

What subscription do you have?

Plus

Which IDE are you using?

VS Code

What platform is your computer?

Darwin 25.4.0 arm64 arm

What issue are you seeing?

VS Code plugin used to show a diff per file module in earlier versions that was super helpful to quickly review the model's work.

It has disappeared from the VS code plugin chat window (though it still shows up if I initiated the change from the Codex app, weird.)

Also it has stopped showing the very useful undo button in the IDE.

Attached images of now and before.

Now: <img width="879" height="480" alt="Image" src="https://github.com/user-attachments/assets/68d47d18-d13e-4203-97b8-6b7072290254" />

Before: <img width="853" height="268" alt="Image" src="https://github.com/user-attachments/assets/f5de680a-c668-4624-bc8b-ba05533617a5" />

What steps can reproduce the bug?

Try initiating a change in the vscode plugin.

Then try initiating a change from the Codex app.

The former will not show diff per file module, the latter will. I have tested this over dozens of messages.

What is the expected behavior?

No response

Additional information

No response

extent analysis

TL;DR

The issue can be mitigated by checking the VS Code plugin settings and comparing the behavior when initiating changes from the Codex app versus the VS Code plugin.

Guidance

  • Verify that the diff per file module feature is enabled in the VS Code plugin settings, as it may have been disabled in the update to version 1.118.1.
  • Compare the behavior when initiating changes from the Codex app and the VS Code plugin to identify any differences in the request or response that may be causing the issue.
  • Check the VS Code plugin's documentation or release notes for version 1.118.1 to see if there are any known issues or changes related to the diff per file module feature.
  • Test the VS Code plugin with a different version or configuration to see if the issue is specific to the current setup.

Notes

The issue seems to be specific to the VS Code plugin and version 1.118.1, and the fact that the diff per file module feature still works when initiating changes from the Codex app suggests that the issue may be related to the plugin's integration with VS Code.

Recommendation

Apply workaround: The user can try initiating changes from the Codex app as a temporary workaround until the issue is resolved in the VS Code plugin.

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