codex - 💡(How to fix) Fix The sidebar review tab can't show all 17 of my changed files, even with collapsed diffs [1 participants]

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openai/codex#20233Fetched 2026-04-30 06:31:20
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What version of the Codex App are you using (From “About Codex” dialog)?

Version 26.422.71525 (2210)

What subscription do you have?

Pro

What platform is your computer?

Darwin 24.6.0 arm64 arm

What issue are you seeing?

The Review tab on the sidebar says "Large diff detected — showing one file at a time." But all file diffs have been collapsed, and I only have 17 modified files! Why can't the sidebar just show a list of these 17 files?

<img width="402" height="1065" alt="Image" src="https://github.com/user-attachments/assets/38bfc6bf-0b27-4c1b-9479-502b1796f272" />

What steps can reproduce the bug?

Session id: 019dd781-0fd7-7392-8a8e-0d66dcf9b1fb

Change 17 files, one of which is 10,000 lines of source code. The total diff will be too large, but there's no reason this should stop the review tab from showing a list of 17 files!

You can see my exact changes by checking out the commit at https://github.com/jthemphill/htmf/pull/50

What is the expected behavior?

I see a list of the 17 files I changed. Since all diffs are collapsed, the fact that one of those files has many changed lines should be irrelevant.

Additional information

No response

extent analysis

TL;DR

The issue can be mitigated by adjusting the diff display settings or optimizing the large file to reduce its impact on the Review tab.

Guidance

  • Verify that the "Large diff detected" message is solely due to the 10,000-line file by checking the diff size of other files.
  • Consider optimizing or splitting the large file to reduce its diff size, making it easier for the Review tab to handle.
  • Check if there are any settings or preferences in the Codex App that control how diffs are displayed, potentially allowing for an adjustment to show all files despite large diffs.
  • Review the commit at https://github.com/jthemphill/htmf/pull/50 to understand the exact changes made and see if there's a pattern or specific change causing the issue.

Notes

The exact solution may depend on specifics of the Codex App's behavior with large diffs, which are not fully detailed in the issue. The provided steps are aimed at mitigating the issue based on the information given.

Recommendation

Apply workaround: The best course of action seems to be optimizing or adjusting the handling of the large file, as upgrading to a fixed version is not mentioned as an option in the provided context.

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codex - 💡(How to fix) Fix The sidebar review tab can't show all 17 of my changed files, even with collapsed diffs [1 participants]