The document discusses Oracle GoldenGate Microservices and its objectives for version 12.3. It aims to improve usability, manageability, and performance. The key changes include a microservices architecture with REST APIs and services for flexible administration, a security framework with role-based access, and cross-platform configuration between classic and microservices architectures. The new interfaces include HTML5 pages, a thin AdminClient, and dynamic REST endpoints for improved usability.