Codex release notes — page 8
Browse Codex release summaries and publication dates. Codex 0.31.0 through Codex 0.10.0. Open each official GitHub release for the complete changelog.
Saved release summaries, not complete changelogs. Each entry links to the official release; new entries appear after a successful sync.
Codex 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…
Read the official release notesCodex 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:…
Read the official release notesCodex 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…
Read the official release notesCodex 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…
Read the official release notesCodex 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. ·…
Read the official release notesCodex 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…
Read the official release notesCodex 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:…
Read the official release notesCodex 0.24.0
Highlights: · Queued messages (#2637) · Copy Paste / Drag & Drop image files (#2567) · Transcript mode (Ctrl+T) with scrolling ability (#2525) ·…
Read the official release notesCodex 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…
Read the official release notesCodex 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…
Read the official release notesCodex 0.21.0
Fixes abound! · send prompt cache key for better caching (should improve token efficiency!) · split multiline commands to improve readability · Parse exec…
Read the official release notesCodex 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…
Read the official release notesCodex 0.19.0
Read the official release notesCodex 0.16.0
Small fix for an error message around capacity: · Though the more significant upgrade today is to 0.15.0:
Read the official release notesCodex 0.15.0
gpt-5 is the default model! · new --ask-for-approval on-request option where the model decides whether to prompt the user (which is somewhat of a…
Read the official release notesCodex 0.14.0
Removed some internal messaging from the conversation view: · Fixed issue where codex exec was printing InternalAgentDied :
Read the official release notesCodex 0.13.0
Introduces the --oss flag so Codex CLI can be used with the new open-weight models from OpenAI. See:
Read the official release notesCodex 0.12.0
Includes to fix a regression introduced in 0.11.0:…
Read the official release notesCodex 0.11.0
Big News!!! This release introduces a new UX where Codex is no longer fullscreen / manages its own scrollback, but "appends to the end"…
Read the official release notesCodex 0.10.0
More commands are "trusted" by default: · Thanks to @pbezglasny for fixing a UI inconsistency in the TUI header: · We now record some…
Read the official release notes