Cursor launches Cursor 3 with Agents Window and Design Mode

Cursor released Cursor 3 with immediate availability to all users.

The update adds parallel agent execution, agent tabs, and a redesigned interface for agent and IDE workflows.

Cursor 3 moves native worktree support to the Agents window and adds /worktree and /best-of-n commands.

The release includes improved MCP Apps, faster large-file diffs, and additional enterprise security and attribution controls.