Dynatrace's 1.290 SaaS release introduces significant new features and enhancements, such as the integration of Amazon Data Firehose for direct log ingestion, improved dashboard variable dependencies, and new DQL functions including outer join support. The release also enhances application security capabilities with .NET support for Runtime Vulnerability Analytics and Runtime Application Protection, while defaulting Kubernetes deployments to a cloud-native full-stack approach using Helm. It addresses several resolved issues across the ActiveGate, Dynatrace Cluster, and Synthetic Monitoring components, including updates to the AWS-java-SDK and fixes for various UI and query problems. The release notes highlight the availability of service metrics on Grail using DQL and provide details on infrastructure observability improvements and API changes. Additionally, cumulative updates ensure the inclusion of all prior enhancements and resolutions from the 1.290 release.