Discover is a tool that helps users analyze and understand trends in their application health by providing a visual interface for searching, filtering, and analyzing data. The refreshed version of Discover has improved user experience and added new features such as dashboard visualization, rolling up event counts, tag summaries, time-series analysis, and drill-down capabilities to help users identify patterns and trends more easily. With these updates, users can gain a high-level understanding of their application health and make data-driven decisions. The tool is available on Sentry's Business Plan and offers early access to new updates for those who want to get ahead of the curve.