OpenAI Codex CLI rust-v0.166.0-alpha.5.1Released Oct 28, 2026 · OpenAIPre-releaseRelease updateWhat the release notes sayRelease 0.166.0-alpha.5.1Source: github.com ↗ Olderrust-v0.166.0-alpha.5Newer rust-v0.166.0-alpha.6Every OpenAI Codex CLI release →