Releases · Codex
Codex CLI release notes — page 8
Stable releases of Codex CLI from the openai/codex GitHub repository, newest first. Each entry summarises the main changes and links to the full official notes; every version also has its own page. This page covers versions 0.16.0 to 0.37.0.
Latest Codex CLI version
Released · Official notes on GitHub
Short summaries here; each version has its own page with a summary of the changes and a link to the official release notes. New entries appear after a successful sync.
Codex 0.37.0
Mostly small quality-of-life fixes in this release. · Highlights · Updated the npm release process to use "trusted publishing" (#3431). Though apparently there was…
Official notes on GitHubCodex 0.36.0
Breaking change: OPENAI_API_KEY is no longer read from the environment · API login is no longer implicit; we do not pick up OPENAI_API_KEY from…
Official notes on GitHubCodex 0.35.0
See 0.36.0
Official notes on GitHubCodex 0.34.0
3436: hotfix for issue that prevented Codex from initializing external MCP servers · Merged PRs · [#2799] Persist model & reasoning changes (#2799) ·…
Official notes on GitHubCodex 0.33.0
Codex 0.33.0 · Key change is which reverts because it introduced a regression. · Try out the new Markdown renderer on #3396. · Merged…
Official notes on GitHubCodex 0.32.0
Codex 0.32.0 · MCP: add UA suffix when acting as a server; a few stability/compat tweaks · OSS: Broader apply_patch OSS compatibility. · Rollouts:…
Official notes on GitHubCodex 0.31.0
Codex 0.31.0 · added support for a startup_timeout_ms option when declaring an MCP server (docs), which has been a highly requested feature, particularly for…
Official notes on GitHubCodex 0.30.0
Codex 0.30.0 · Breaking: Stop loading project .env files automatically. · Security/behavior: Never store requests; free port by canceling pending OAuth login. · Core/infra:…
Official notes on GitHubCodex 0.29.0
Codex 0.29.0 · Android/Termux support by gating arboard on unsupported targets. · Stable, cross‑platform file locking using std fs APIs. · Auth consolidation: CodexAuth…
Official notes on GitHubCodex 0.28.0
[Highlights] · TUI polish and stability improvements: reduced typing lag, cleaner streamed message formatting, better error handling, and improved input behavior. · Better Windows…
Official notes on GitHubCodex 0.27.0
Codex 0.27.0 · MCP stability: drop mutexes earlier and avoid lock ordering pitfalls. · Channel reliability: switch to unbounded channel to prevent stalls. ·…
Official notes on GitHubCodex 0.26.0
Highlights: · Custom /prompts loaded from ~/.codex/prompts (#2696) · New "View Image" tool to let Codex agentically view local images (#2723) · MCP GetConfig…
Official notes on GitHubCodex 0.25.0
Highlights: · Core: remove_conversation API for manual cleanup in long‑lived servers (#2613) · TUI: mouse wheel alternate scrolling in transcript/diff views (#2686) · TUI:…
Official notes on GitHubCodex 0.24.0
Highlights: · Queued messages (#2637) · Copy Paste / Drag & Drop image files (#2567) · Transcript mode (Ctrl+T) with scrolling ability (#2525) ·…
Official notes on GitHubCodex 0.23.0
Highlights · New commands and controls: support /mcp in TUI (#2430) and a slash command /approvals to control approvals (#2474). · Reasoning controls: change…
Official notes on GitHubCodex 0.22.0
moves the login server from Python to Rust, which should help with both and · adds support for markdown streaming · improves the UI…
Official notes on GitHubCodex 0.21.0
Fixes abound! · send prompt cache key for better caching (should improve token efficiency!) · split multiline commands to improve readability · Parse exec…
Official notes on GitHubCodex 0.20.0
Some key fixes for Windows: · the npm release of @openai/codex now runs the Rust CLI instead of falling back to the old TypeScript…
Official notes on GitHubCodex 0.19.0
Official notes on GitHubCodex 0.16.0
Small fix for an error message around capacity: · Though the more significant upgrade today is to 0.15.0:
Official notes on GitHubAlso tracked: Codex news · Codex resets · Blog