Codex released versions 0.147.0 through 0.149.0 in August 2026, adding portable agent plugins, new security access tiers, Linux desktop support, and expanded integrations with GitLab and multiple browsers.
Agents and Automation
- Portable Agent Plugins: Search and manage plugins across local, personal, workspace, and remote catalogs with unified discovery.
- Interactive agents dashboard: Manage tasks with configurable shortcuts and working directory commands for TUI sessions.
- Event-triggered scheduled tasks: Automatically run tasks when Gmail, Slack, or GitHub events occur.
- MCP tool result inspection: Extensions can now intercept and modify MCP tool results before the model receives them.
Platform and Access
- Linux desktop app: Preview release for Ubuntu, Debian, and Fedora on x64 and ARM64, with import from Claude Code and Cursor.
- Daybreak Blue and Red security tiers: New access levels for approved security professionals to perform defensive and authorized offensive security work.
- GitLab integration: Connect GitLab projects to trigger tasks from issues and merge requests with @codex mentions.
- Browser extension expansion: Support now includes Microsoft Edge, Brave, Opera, and Vivaldi alongside Chrome.
Interface and Workflow
- Conversation organization: Persistent, manually ordered sections for easier browsing of long transcripts.
- Markdown conversation export: Save complete TUI conversations to clipboard or file with /export command.
Several other features were also released this month but are not listed here.