Codex CLI 0.66.0 release notes

Version

0.66.0

Released

9 December 2025

Status

Stable release

What's new in Codex CLI 0.66.0

The official notes for Codex CLI 0.66.0 list 79 changes: 3 fixes and 76 other changes.

• 3 fixes
• 76 other changes

Highlights

• fix Unified exec & shell stability: status line shows clearer progress, Windows unified-exec crash fixed, long commands wrap without breaking layout…
• fix General fixes: parallel tool-call chat now returns correctly, ghost snapshot tokens aren’t billed, missing tool names no longer crash the…
• fix Fixed regression for chat endpoint; missing tools name caused litellm proxy to crash @etraut-openai
• other change Execpolicy: TUI can whitelist command prefixes after an approval, sandbox denials propose an amendment you can accept, shell MCP now…
• other change TUI updates: cross-platform shortcut handling is consistent (Ctrl+N/P and list selection now work everywhere), so navigation matches between overlays, lists…

Our short summary: changes are counted and classified automatically from the official notes, and highlights are shortened. The complete, authoritative list is in the official release notes on GitHub.

Full release notes on GitHub (Codex CLI 0.66.0)

All Codex CLI release notes · All releases

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