Amazon has launched Amazon Aurora DSQL, a PostgreSQL-compatible and serverless database solution designed for active-active high availability and multi-region strong consistency. It features a disaggregated architecture with independent components that scale based on workloads. Aurora DSQL offers 99.99% availability within a single region and 99.999% in multi-region deployments, with automatic recovery from failures. It supports microservices, event-driven architectures, and multi-tenant SaaS applications. All read and write operations maintain consistency across regional endpoints. The service includes a new billing unit called the Distributed Processing Unit (DPU) and supports essential relational features, although some PostgreSQL features are not supported. Aurora DSQL has expanded its availability to more regions and introduced new features, including PostgreSQL views and AWS Backup. A free tier is available, covering 100,000 DPUs and 1 GB-month of storage monthly.