Codex Chat History not showing in GUI, but still exists on disk under %USERPROFILE%\.codex\sessions

[JamesElstone]

What version of the Codex App are you using (From “About Codex” dialog)?

26.506.31421

What subscription do you have?

ChatGPT Pro

What platform is your computer?

Microsoft Windows NT 10.0.19045.0 x64

What issue are you seeing?

The Codex GUI is no longer showing history from last month, and only showing chats in the Codex GUI from 1/5/2026 onwards.

Is there a way to reindex or get the chat history back in the GUI again?

What steps can reproduce the bug?

Uploaded thread: 019e18e4-545a-7013-b485-928b3fe822b4

Try and see chats from last month.

What is the expected behavior?

Shows all chat history in the left hand toolbar.

Additional information

No response

[github-actions]

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

• Desktop sidebar/search hides older local project chats although thread data still exists on disk (multi-project, reproducible) #21581
• Codex Desktop project sidebar hides older workspace conversations despite existing local thread data #20833
• Session exists on disk and in index but is missing from sidebar #20759
• Codex Desktop project chat histories disappeared after recent update #20741
• Codex Desktop sidebar loses chat history when thread titles contain large transcript chunks #21119

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