Releases
Releases — page 20
Every stable release of the open-source Codex CLI (openai/codex) and of Claude Code (anthropics/claude-code) on GitHub, newest first. Each entry is a short summary of the official notes with a link to the full changelog. Latest: Codex 0.162.1 (9 Oct 2026) and Claude Code 2.1.296 (9 Oct 2026).
Short summaries here; each entry links to its version page and to the official release notes on GitHub.
Codex 0.38.0
This release includes only one change on top of 0.37.0, which is a fix to the npm-publish step in the release process (#3806). Updating…
Official notes on GitHubCodex 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
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