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OpenAI Codex CLI v0.144.0 Changelog

What changed in Codex CLI v0.144.0, released 2026-07-09 β€” explained in plain English.

TLDR
  • Enhanced Safety & Control: Adds a "Read-Only" mode requiring permission to write code, better credit tracking, and warnings before running high-cost "Ultra" mode agents.
  • Performance Boosts: Speeds up code reviews in large projects and accelerates remote plugin loading.
  • Key Bug Fixes: Resolves crashes on Intel Macs and when resuming chats with retired models, while fixing Windows Sandbox and network proxy connection issues.

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This update makes Codex CLIβ€”the command-line tool that lets you write code using AI directly in your terminalβ€”much safer, faster, and easier to control. Whether you are trying to manage your AI usage budget, coding on a Mac or Windows computer, or working within a secure school or company network, this release brings helpful quality-of-life upgrades to keep your coding sessions running smoothly.

What's new

  • Better credit tracking: You can now see exactly when your bonus usage credits expire and choose which ones you want to spend first.
  • A safer "Read-Only" mode: A new safety setting called writes allows Codex to read your files automatically, but it will stop and ask for your permission before making any actual changes or writing new code.
  • Easier tool logins: External tools (using the Model Context Protocol, or MCP) can now ask you to log in on the fly without requiring you to turn on experimental settings first.
  • Smoother app logins: Developers building apps with Codex can now redirect users to a custom "login successful" webpage after they sign in.
  • Smart package detection: The tool now automatically detects if you installed it using pnpm (a popular tool for managing JavaScript packages) so it can run diagnostics and updates correctly.
  • "Ultra" mode warnings: If you turn on the high-powered "Ultra" reasoning mode, the tool will now warn you if it's about to run multiple AI agents at once, which can quickly use up your credits.

Improvements

  • Faster code reviews: Choosing a code branch to review using the /review command is now much faster, especially in giant projects. The automatic reviewer is also smarter, using clearer instructions and better-focused tools.
  • Speedier plugins: Plugins and extra skills now load much faster when running on remote servers.
  • Clearer model names: If you use Amazon Bedrock, the AI model names are now much clearer so you know exactly which version of the AI you are using.
  • Phishing protection: The security warnings shown when logging in with a device code have been updated to help you spot and avoid hackers trying to steal your credentials.

Fixes

  • Resuming old chats: If you try to resume an old conversation that used an older AI model that has since been retired, Codex will no longer crash. Instead, it will smoothly transition the chat to your currently selected model.
  • Intel Mac crash fix: Fixed a bug that caused the app to crash on older Intel-based Mac computers when using Code Mode.
  • Windows Sandbox fixes: Fixed issues in the Windows sandbox (a secure, isolated testing environment) where Codex couldn't delete files or access the main system tools.
  • No more messy screens: Fixed a bug where pasting text with weird formatting codes into the terminal would mess up the visual layout (the Text User Interface, or TUI) or break your chat history.
  • Automatic login refresh: If you leave Codex running for a long time, it will now automatically refresh your login in the background so your connection doesn't drop.
  • Better network support: Fixed internet connection issues so the app stays fast and responsive even if you are behind a school or company network proxy.

Breaking changes

No breaking changes in this release.

How to upgrade

Update to OpenAI Codex CLI v0.144.0 by running:

codex --upgrade

This is our plain-language summary. Read the complete, official notes on the OpenAI Codex CLI official changelog β†—.

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