The text introduces Session Health in Sentry, a feature that provides a clear view of stability and user experience. It allows developers to drill into each dip in session health with the connected issues, enabling them to push quick fixes or roll out releases with confidence. The feature offers various metrics such as crash-free sessions, new issues by release, total sessions by release, and more, providing direct visual connections between metric data and code changes. By using Session Health, developers can quickly pinpoint anomalies, analyze root causes, and prioritize fixes for affected users, ultimately deploying with confidence and ensuring a better user experience.