Codex CLI 0.90.0 release notes

Version

0.90.0

Released

25 January 2026

Status

Stable release

What's new in Codex CLI 0.90.0

The official notes for Codex CLI 0.90.0 list 16 changes: 5 new features, 2 fixes and 9 other changes.

• 5 new features
• 2 fixes
• 9 other changes

Highlights

• new feature Added a network sandbox proxy with policy enforcement to better control outbound network access.
• new feature Introduced the first phase of connectors support via the app server and MCP integration, including new config/docs updates.
• new feature Added ephemeral threads and improved collaboration tool provenance metadata for spawned threads.
• new feature WebSocket connections now support proxy configuration.
• new feature Added documentation for the new connectors configuration surface.

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 0.90.0)

All Codex CLI release notes · All releases

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