Regression with writes on 0.121.0

Resolved 💬 2 comments Opened Apr 17, 2026 by zg-alexey Closed Apr 17, 2026

What version of Codex CLI is running?

codex-cli 0.121.0

What subscription do you have?

Pro Lite

Which model were you using?

gpt-5.4

What platform is your computer?

Linux 6.6.87.2-microsoft-standard-WSL2 x86_64 x86_64

What terminal emulator and version are you using (if applicable)?

Warp

What issue are you seeing?

CLI fails to edit files, throws "command failed; retry without sandbox?" on any edit. Retrying without sandbox succeeds.
This issue appeared with version 0.121.0, reverting back to 0.120.0 resolves it.

What steps can reproduce the bug?

Request anything requiring editing a file in a repo.

What is the expected behavior?

_No response_

Additional information

_No response_

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