Codex App 26.226 Released

Codex app 26.226 brings quality-of-life improvements and new features for developers using the composition and code review workflows.

New Features

MCP Shortcuts in Composer

• Added new MCP shortcuts directly in the composer interface, including install keyword suggestions and a dedicated MCP server submenu in the Add context menu, making it easier to discover and integrate Model Context Protocol servers without leaving your workspace.

Enhanced Review Comments

• Added support for @mentions and skill mentions in inline review comments, enabling more direct collaboration when providing feedback on code changes.

Performance Improvements and Bug Fixes

• Improved rendering performance for MCP tool calls, reducing latency when working with external protocol integrations
• Fixed terminal command handling issue where stopped commands could continue appearing as running in the UI
• Various additional performance optimizations and stability improvements across the application

What Developers Need to Know

These improvements streamline the developer experience for teams using Codex's composition and code review features. The MCP shortcut additions make discovering and configuring external integrations more discoverable, while enhanced mention support in comments improves team collaboration workflows.