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OpenAI's official Codex changelog. Codex app: Codex in ChatGPT, the desktop app and the web. Codex CLI: the version that runs in a terminal window.

Compiled by the Toolstash team · Updated

  1. Codex CLI

    Codex CLI 0.150.1

    1 fix

    Remote compaction now counts retained images toward its token budget by default, trimming older images as needed.

  2. Codex app

    ChatGPT for iOS

    Added task search across titles and conversation content on connected hosts. Added a compact composer gauge for viewing and adjusting reasoning effort. Added a full-screen editor for longer prompts. Added configurable Home Screen shortcuts for ChatGPT, Work, and Codex Remote. Added optional comments to selected response annotations. Improved loading for long threads, with older history fetched as needed. Refined task list layout, ordering, and pinning to better match desktop. Inline visualizations now follow iOS appearance and accent settings.

  3. Codex CLI

    Codex CLI 0.150.0

    6 new6 fixes

    Reference other Codex tasks with @ mentions, and ask agents to read, create, or message tasks from the terminal. /copy now offers a picker for full responses, individual code blocks, and blockquotes.

  4. Codex app

    Browser extensions, site tools, and cloud sign-in

    More browsers: Use the ChatGPT browser extension in Microsoft Edge, Brave, Opera, and Vivaldi, as well as Chrome. Set up your browser in Settings > Computer Use in the ChatGPT desktop app. All five support tab mentions and browser control; Opera doesn't support side chat. Site tools (WebMCP): In the desktop app's built-in browser, ChatGPT Work and Codex can use tools provided by a website to work with the page. Use GPT-5.6 Sol or GPT-5.6 Terra and update to the latest desktop app. Site tools aren't available with GPT-5.6 Luna or in Enterprise or Edu workspaces. Cloud browser sign-in: On eligible plans, ChatGPT Work on the web, iOS, and Android can ask you to sign in to a supported website through the cloud browser. Enter your details in the sign-in flow, not in the chat. Cloud browser sessions stay separate from your local browser. Website sign-in isn't available for Enterprise or Edu workspaces. Availability depends on rollout and workspace settings. Website-access and action-confirmation requirements still apply. Performance improvements and bug fixes. Fixed browser tab mentions being lost when starting a chat from Home. Improved right-to-left chat titles and Command+Arrow navigation in the composer.

  5. Codex app

    Trigger scheduled tasks from Gmail, Slack, and GitHub events

    ChatGPT scheduled tasks can now run when supported events occur in Gmail, Slack, or GitHub. Filter Gmail messages by sender or subject, watch selected Slack channels, or respond to pull request activity such as reviews, comments, commit updates, and merges. Event-triggered tasks are available in ChatGPT on the web and mobile for eligible plans. Connect the relevant app and approve its requested access before creating a task. The ChatGPT Slack app must be a member of each watched channel, and the connected GitHub app must have access to each watched repository. An event-triggered task can't also use a time-based schedule. When matching events arrive close together, ChatGPT may combine them in one run. Open Scheduled to review pending events or choose Run now. Learn how to trigger scheduled tasks from app events.

  6. Codex app

    Codex MCP server command deprecated

    The codex mcp-server command is now deprecated. Use the Codex app server instead. Update, September 5, 2026: The command and standalone codex-mcp-server binary have been removed.

  7. Codex CLI

    Codex CLI 0.149.1

  8. Codex app

    Codex and ChatGPT updates

    Apple Messages: Use the Apple Messages plugin to read and search Messages chats on your Mac and prepare or send messages. It's available on all plans in the ChatGPT desktop app for macOS. You can use the plugin in ChatGPT Work and Codex. By default, ChatGPT sends messages only after you approve the message and its recipients. Site co-editing: Where Site collaboration is available, owners can invite active members of the same workspace as editors. Editors can read the Site's live database data, update the Site, save versions, and publish changes after the owner publishes the Site for the first time. Owners retain control of the audience, settings, analytics, ownership, version restoration, and editor access. Editable Site URLs: Where URL editing is available, owners can change an existing Site's ChatGPT-hosted address without creating another deployment. The previous address redirects to the new URL. Custom domains are a separate, existing feature and aren't changed by this setting. Computer History in Europe: Computer History is now available in the EEA, Switzerland, and the United Kingdom for ChatGPT Pro, Business, and Enterprise users in the ChatGPT desktop app on macOS. It's off by default and requires Memories. Business and Enterprise administrators must enable access before workspace members can choose to turn it on. Shared thread snapshots: On all Codex plans, share a read-only snapshot of a local Codex thread from the ChatGPT desktop app for macOS. The snapshot doesn't update when the original thread changes. Personal-account links can be opened by anyone with the link; workspace-account links are limited to members of the originating workspace. Codex redacts known secret patterns, but review the shared content because sensitive content may remain. View or revoke links in ChatGPT data controls, under Shared links. Unified pinned threads: Keep the same pinned chats across the ChatGPT desktop app and iOS.

  9. Codex CLI

    Codex CLI 0.149.0

    6 new6 fixes2 other

    Added an interactive codex agents dashboard for searching, starting, opening, renaming, and stopping tasks, with configurable shortcuts. Added /cd, /pwd, and /cwd commands for managing the working directory in TUI sessions.

  10. Codex app

    Codex app

    Includes updates through August 23, 2026. Performance improvements and bug fixes. Eligible local chats interrupted by an app update now resume automatically after the app restarts. Preserved draft formatting and mentions when switching between chats. Fixed a blue composer background on Windows virtual desktops.

  11. Codex app

    GitLab support in Codex cloud (Beta)

    GitLab support is available in beta on all ChatGPT plans. Connect a GitLab project to Codex cloud, create an environment for it, start tasks from issues or merge requests with @codex, and request one-off or automatic merge request reviews. The integration runs in Codex cloud. A managed workspace admin can disable the connector. GitLab-triggered activity requires permission to configure the applicable webhook. For GitLab Self-Managed or GitLab Dedicated, a workspace admin must configure the connection, and webhook activity requires GitLab 19.0 or later. Codex cannot complete a review when GitLab omits a collapsed or oversize diff. Learn how to use Codex with GitLab.

  12. Codex app

    ChatGPT for iOS

    Added a setting to open ChatGPT directly in Codex Remote on launch. Added support for standard MCP forms and editable message approvals. Linked folders now open directly in the files sheet. Improved the New Thread project picker to reflect the selected host's current projects. Voice now works directly from existing task composers, connects more reliably, and continues task actions in the background. Improved diff review stability and performance, especially in large workspaces. Added a Retry action when task messages fail to load. Fixed large task responses failing to load. Fixed tasks disappearing or remaining unavailable after being idle, reconnecting, or returning to the task list. Improved host pairing reliability and prevented enrollment checks from freezing the app. Improved response annotations and preserved streamed activity when tasks complete. Canceling or editing a steering message now prevents delivery.

  13. Codex CLI

    Codex CLI 0.148.0

    6 new6 fixes1 other

    Export complete TUI conversations to Markdown with /export, either to the clipboard or a new file. Fork sessions with codex exec fork, and archive or restore sessions from the TUI resume picker.

  14. Codex app

    Public plugin catalog CSV export

    Eligible ChatGPT Enterprise workspace owners and admins can download a CSV of the public plugins visible to their workspace. The export includes plugin, app, and Chat skill names and descriptions, along with developer, version, date added in UTC, and OpenAI verification metadata. Open Admin > Plugins, select Public, and then select the download icon (Export CSV). The export uses a public-catalog snapshot that can be up to 48 hours old and does not include plugins created for the workspace. It isn't available in FedRAMP workspaces. Learn more about plugin controls.

  15. Codex app

    Codex app

    Performance improvements and bug fixes. Kept sidebar projects in their saved order as chat activity changes.

  16. Codex app

    Computer History

    Computer History is an opt-in feature in the ChatGPT desktop app on macOS that turns activity across apps and websites into memories and a timeline that ChatGPT and Codex can use. Choose which apps and websites contribute, pause collection, and review or delete your history at any time. Computer History is available to ChatGPT Pro, Business, and Enterprise users. Business and Enterprise administrators must enable access before workspace members can turn it on. Initial availability excludes the European Economic Area (EEA), Switzerland, and the United Kingdom. Performance improvements and bug fixes. Preserved undo and redo history in the Markdown editor when switching chats. Prevented duplicate pull request comments while comments are refreshing.

  17. Codex app

    Linux desktop preview and agent imports

    Install the ChatGPT desktop app on Linux. The ChatGPT desktop app for Linux is available in preview for supported Ubuntu, Debian, and Fedora desktop distributions on x64 and ARM64 processors. Download the.deb or.rpm package for your distribution, then sign in to work with projects, local files, and Codex. Import setup and recent work from other agents. The desktop app supports Claude Code, Claude Cowork, and Cursor. Import instructions, settings, skills, plugins, projects, and recent work, then turn on automatic updates in Settings > Import to keep imported work in sync. Codex CLI can also import supported setup and recent chats from Claude Code and Cursor with /import.

  18. Codex app

    Introducing Daybreak Blue and Daybreak Red

    Daybreak now offers two access tiers for approved defenders: Daybreak Blue and Daybreak Red. Use them to move from security findings to validated fixes in explicitly authorized engagements. Start with Daybreak Blue for most defensive security work. It provides access to general-purpose models such as GPT-5.6 Sol for vulnerability discovery, secure code review, detection engineering, incident response, malware analysis, and patch validation. Daybreak Red provides separately approved access to purpose-trained models such as GPT-5.6 Cyber for authorized vulnerability reproduction, exploit validation, penetration testing, red teaming, and complex system analysis. Access requires approval through Trusted Access for Cyber and applies only to the approved identity, workspace or API organization and project, model, and product surface. Daybreak Red requires separate approval and provisioning; Daybreak Blue access doesn't grant access to Daybreak Red. Work in an isolated environment, define your engagement scope, use least-privilege permission profiles, and configure Auto-review for eligible actions before they cross the sandbox boundary. Learn more about Cyber Safety, Codex credit rates, and API token prices.

  19. Codex app

    ChatGPT for iOS

    Improved task reconnection with visible progress while keeping existing tasks usable during connection checks. New tasks now preserve their first prompt and attachments while starting, preventing empty tasks that could not be reopened. Improved editing performance for long prompts. Voice conversations now follow your Background Conversations setting. Approvals and user-input requests now recover reliably after reconnecting, with cleaner approval details in the transcript. Fixed follow-up /goal prompts after completing a goal. Fixed task-list freezes, disappearing task titles, flashing thinking summaries, and transcript crashes.

  20. Codex CLI

    Codex CLI 0.147.0

    6 new6 fixes5 other

    Install portable Agent Plugins and search across local, personal, workspace, and remote plugin catalogs. Organize conversations into persistent, manually ordered sections and browse long transcripts incrementally.

  21. Codex app

    Codex app

    Performance improvements and bug fixes. Fixed an issue where typing in Find could edit the open code file. Preserved the selected model and thinking level when moving a chat to a worktree. Made search for @-mentions case-insensitive.

  22. Codex CLI

    Codex CLI 0.146.1

    1 fix

    Apply safer automatic-review defaults for cyber-capable models and explain permission changes in the terminal interface.

  23. Codex app

    Codex app

    Added source-folder shortcuts to the terminal for projects with more than one folder. Performance improvements and bug fixes. Fixed duplicate pinned chats in the sidebar. Kept other project folders available when repairing worktree setup.

  24. Codex app

    GPT-5.4 and GPT-5.4 mini retire from Codex on August 31

    On August 31, 2026, GPT-5.4 and GPT-5.4 mini will no longer be available in Codex for users signed in with ChatGPT. GPT-5.4 and GPT-5.4 mini will remain available on the OpenAI API and Codex sessions authenticated with an API key. Switch to their recommended replacements: Replace gpt-5.4 with gpt-5.6-terra (GPT-5.6 Terra). Replace gpt-5.4-mini with gpt-5.6-luna (GPT-5.6 Luna). Before the cutoff, update workspace defaults, saved model settings, managed configurations, custom agents, and scheduled tasks that use either model.

  25. Codex app

    Record & Replay expands to the EU, UK, and Switzerland

    Record & Replay is now available in the European Union, the United Kingdom, and Switzerland. On macOS, demonstrate a workflow and turn it into a reusable skill. Computer Use must also be available and enabled.

  26. Codex app

    Browser upgrades, multi-repository review, and image editing

    The latest ChatGPT desktop app update makes browsing, reviewing code, and editing generated images faster and easier. Type in the built-in browser's address bar to revisit pages from your browsing history or search Google when there's no match. Manage your browsing history in Settings, and let ChatGPT search that history when a task needs to find a page you visited before. Use the Chrome extension to mention open tabs or bring highlighted page text into your side chat. Ask questions about any YouTube video in the Chrome extension and get answers in seconds. Right-click a webpage and select Ask ChatGPT. Learn more about the built-in browser and the Chrome extension. Review changes across repositories. Select Review to inspect diffs across those repositories without switching between separate review views. Open generated images in an expanded viewer, and switch between Focused view and Canvas view. Add comments across images, choose the ones you want, and send targeted edits without leaving your conversation. Learn more about image generation. Other improvements and bug fixes. Added a new "Activity view" in the sidebar to view which chats you engaged with recently and require attention. Click the bell or use Cmd / Ctrl + Opt + U to change to the new view. Updated browser settings to show only supported browsers. Improved Windows installation reliability when package file paths are long. Other performance and bug fixes.

  27. Codex app

    Sign in with ChatGPT (beta)

    Sign in with ChatGPT is beginning to roll out in beta across select plugins and partner sites, starting with Airtable, GitLab, HubSpot, Notion, Supabase, and Vercel. When you connect a supported plugin from the ChatGPT plugin directory, you can use Sign in with ChatGPT to create or link an account with that service in fewer steps. On participating partner sites, you can also select Sign in with ChatGPT to create or access your account. This makes it easier to start working with supported tools in ChatGPT and Codex. When you sign in, the partner receives only your name, email address, and profile picture, if available. You must still review and approve each plugin's requested access as a separate step.

  28. Codex CLI

    Codex CLI 0.146.0

    6 new6 fixes6 other

    Name new sessions with /new or /clear, pin important threads, and switch between side conversations without closing them. Support Agent Plugins manifests, workspace plugin publishing, and additional plugin marketplaces for Amazon Bedrock and Claude Code.

  29. Codex app

    ChatGPT for iOS

    Voice conversations now use your selected ChatGPT voice and show usage-limit warnings. Improved task reconnection and continuity when returning to the app or unlocking with Face ID. Composer autocomplete now matches desktop plugin mentions and includes skills from installed plugins. Selected-text references remain available after sending so you can preview them again. Improved goal controls with clearer progress when pausing or resuming. Inline visualizations now render tables and visual themes more reliably. Large workspace diffs are more responsive. Fixed restored tasks changing the selected model. Prevented the composer from becoming stuck after a prompt started. Corrected browser and computer tool labels, icons, and placeholder output.

  30. Codex app

    ChatGPT Voice and multi-folder projects

    Powered by GPT-Live, ChatGPT Voice lets you talk through work and coordinate tasks in Chat, Work, and Codex in the ChatGPT desktop app. Start a new chat or task in voice mode, then ask ChatGPT to start, check, or steer work in other threads. On macOS, turn on Screen context to share an appshot of your frontmost window. Voice is available with Plus, Pro, Business, Edu, and Enterprise plans in the desktop app and through Remote on iOS. Local projects in the ChatGPT desktop app can now include multiple related folders. From a project's menu, select Edit project to add folders and choose the primary folder. New chats, Git operations, and automatic discovery of AGENTS.md, skills, and config.toml use the primary folder. Secondary folders remain available for file search, reading, and editing. Get started with ChatGPT Voice and multi-folder local projects. Performance improvements and bug fixes. Also includes fixes from version 26.721. Improved screen reader navigation between messages. Fixed Git detection on Windows. Fixed a freeze caused by missing icons in the Open in menu.