- [x] Api Versioning - [x] AOP / Dynamic Proxy - [x] Programmatic Bean Register - [x] Expression Language - [x] Declarative Http Interfaces - [x] Jackson 3 - [x] Resiliences (Retry, ConcurrencyLimit) - [x] global exception handler - [x] batch processing (spring-batch) - [x] MQ: ActiveMq & Kafka - [x] JMS Integration Flow(spring-integration-jms) - [x] Shedlock - Distribute Lock - [x] Optimistic Lock - [x] Virtual Thread - [x] Security (JWT) - [x] Transaction Outbox (spring-integration-jdbc, spring-modulith, custom) - [x] WebSocket (topic/queue) - [x] Integration/Slice testing - [x] Docker Compose, TestContainers - [x] grpc