Codex CLI 0.164.0 release notes land: /presets slots, inline /model and /permissions, image previews

#What happened

Codex CLI 0.164.0 went stable and its release notes now carry the full changelog (they were a bare stub at release time). Key additions:

• /presets: save reusable prompts and slash commands in ten numbered slots, with a keyboard menu for quick access.
• /model and /permissions: set model, reasoning effort, speed, and permission profiles directly with inline arguments.
• Image previews: view and generated images show in the fullscreen transcript on terminals supporting Kitty or Sixel graphics.
• Enterprise MCP connections can authenticate using eligible Codex account grants or dedicated sign-in, including OAuth clients that require secrets.
• Credentials are masked during supported remote Bash commands and Zsh snapshot sessions, including credentials from custom providers.
• The Amazon Bedrock setup wizard is now enabled by default, with API key entry grouped alongside other AWS sign-in methods when credentials are detected.

Bug fixes cover failed compaction no longer leaving partial summaries (background compaction failures fall back without panicking), session resume restoring saved thread settings instead of global defaults, Windows HTTPS/WebSocket proxy-auth with the signed-in user's Negotiate or NTLM credentials, preserved CLI config overrides across subcommand levels, queued prompts waiting for pending permission selections, and hardened macOS sandbox checks.

Chores: reduced disk usage (pruning unused installs, cleaning abandoned marketplace checkouts, bounding daemon logs) and an embedded JavaScript runtime update with safety checks for optimized Array.sort.

#Why it matters

0.164.0 is a workflow-sharpening release rather than a model change: numbered /presets slots and inline /model and /permissions arguments cut friction for power users, while credential masking and the Bedrock wizard make enterprise setups safer to run. Full changelog compares rust-v0.163.0 to rust-v0.164.0.

#Sources

• https://github.com/openai/codex/releases

Verified 2026-10-23.