Codex released versions 0.136.0 through 0.140.0 in June 2026, adding major new capabilities for web deployment, mobile control, browser automation, and remote work coordination.
Deployment and Web Creation
- Sites preview: Create, deploy, and manage websites, dashboards, tools, and games directly within Codex with hosted environment variables and secrets.
- Codex Remote general availability: Start or continue coding work from the ChatGPT mobile app on a connected Mac or Windows host and approve actions from your phone.
Browser and Computer Automation
- Browser Use expansion: Now available in the EEA, UK, and Switzerland; up to 2x faster through optimizations; developer mode for Chrome adds DevTools Protocol access for debugging.
- Computer Use expansion: Available for Enterprise users outside the EEA, UK, and Switzerland; expanded to macOS and Windows in those regions on June 16.
- Record & Replay: Turn demonstrated workflows into reusable skills on macOS with Computer Use enabled.
Interface and Workflow
- Workspace file browser: Preview and link files into prompts; directory picker for starting new threads; expand or collapse all diffs at once when reviewing changes.
- Unified mentions menu: Typing @ opens a menu for files, plugins, and skills by default.
- Mobile enhancements: Branch selection, worktree creation, environment setup scripts, goal management via /goal, inline review comments, and prompt editing.
- Session management: Archive sessions to protect from accidental resume or fork; permanent deletion with confirmation safeguards; /import selectively brings setup and recent chats from Claude Code.
Several other features were also released this month but are not listed here.