Undo failed in latest extension (26.513)
Open 💬 2 comments Opened May 18, 2026 by ZIXT233
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the IDE extension are you using?
26.513.21555
What subscription do you have?
Plus
Which IDE are you using?
vs code
What platform is your computer?
Windows 11 x64
What issue are you seeing?
<img width="1866" height="633" alt="Image" src="https://github.com/user-attachments/assets/999d888f-8518-4bcf-b746-8c871b69a3e1" />
As shown in the image, I have already made sure that git status is clean, but even the simplest changes still fail to undo.
The issue also occurs in the Codex app, not just in the VS Code extension.
What steps can reproduce the bug?
Editing any file causes the same problem. I’m not able to get any additional error details.
What is the expected behavior?
_No response_
Additional information
<img width="1131" height="342" alt="Image" src="https://github.com/user-attachments/assets/2c178b2b-66bf-40de-a80e-8b8f7943117e" />
It said "Failed to load the complete file contents." when viewing the changes
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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Yeah same here, first time testing codex tho. Cant undo anything and i found this massive thread: https://github.com/openai/codex/issues/3567 seems to be a known issue that is not getting resolved. (i use windows and vscode extension)