Couchbase 7.0.2 introduces enhanced data visualization features in its Query and Analytics Workbench through a new Charts tab, enabling users to create various charts and visualizations from query results. Utilizing D3.js for rendering, this feature supports eight types of charts, including scatter, line, area, bar, and pie, among others, allowing users to visualize data relationships, trends, and distributions. The charts can be customized and downloaded as SVG files, with features like hover tooltips and auto-adjusting sizes ensuring ease of use. The system supports geo data plotting and offers flexible axis configurations, with future updates planned to include additional chart types and format support.