OpenAI Codex CLI rust-v0.167.2

OpenAI Codex CLI rust-v0.167.2 was released on .

Summary

Codex CLI rust-v0.167.2 is here: tool updates now stream incrementally by default on Google Cloud Vertex AI. Want the old behavior back? One config flag does it. Curious what else changed under the hood?

Release Context

  • This was the 114th OpenAI Codex CLI release of 2026 tracked by Havoptic.
  • It shipped 1 day after OpenAI Codex CLI rust-v0.167.1 (November 10, 2026).
  • OpenAI Codex CLI: ships every 4 days — 6 releases in the last month.

Why it matters: Codex streams tool updates incrementally on Vertex AI.

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

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Release Notes

New Features - Codex now sends tool updates incrementally by default on Google Cloud Vertex AI. To opt out, set incrementaltoolslegacygcp = false under [features] in config.toml. (60617, 60848) Changelog Full Changelog: https://github.com/openai/codex/compare/rust-v0.167.1...rust-v0.167.2

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