Codex CLI 0.20.0 release notes

Version

0.20.0

Released

9 August 2025

Status

Stable release

What's new in Codex CLI 0.20.0

The official notes for Codex CLI 0.20.0 list 5 changes: 1 fix and 4 other changes.

• 1 fix
• 4 other changes

Highlights

• fix fixes one class of issues with login logic by writing Python program to a temp file instead of long string…
• other change github.com/openai/codex/pull/2035 the npm release of @openai/codex now runs the Rust CLI instead of falling back to the old TypeScript CLI…
• other change github.com/openai/codex/pull/2019 fixes two things for Windows:
• other change ignores PopKeyboardEnhancementFlags failure since not all Windows terminals support it
• other change github.com/openai/codex/pull/2042 should help/fix the Python certificates issue with codex login: github.com/openai/codex/issues/2044

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 0.20.0)

All Codex CLI release notes · All releases

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