To give developers enough notice to fix issues before they escalate, Sentry is evolving its alerts system with more proactive features, including Change and Crash Rate Alerts. These alerts will notify developers via various channels when their application experiences unusual changes or a decrease in crash-free sessions, allowing them to investigate and potentially roll back changes. The new alert system compares metric and issue alerts between periods to identify significant changes, reducing notification fatigue and preventing issues from falling through the cracks. Additionally, Sentry's Crash Rate Alerts enable teams to set Service Level Objectives and monitor the stability of their releases across devices, providing a holistic view of their apps' performance. By setting up these alerts, developers can quickly pinpoint the root cause of issues and improve the overall quality of their applications.