Datadog has announced new features at DASH conference aimed at improving application performance monitoring (APM) and data observability. These include Single Step Instrumentation for efficient service instrumentation, adaptive ingestion sampling to balance trace collection with usage budgets, and a waterfall trace visualization for easier navigation through spans in complex traces. Additionally, Datadog has introduced new features for Continuous Profiler, Data Jobs Monitoring, Data Streams Monitoring, and Digital Experience Monitoring (DEM). These enhancements aim to provide developers with comprehensive visibility into the health and performance of their applications across the full development lifecycle.