Insights
Engineering notes.
Practical articles on Java, Spring, distributed systems, security and AI engineering on the JVM. Written for people who maintain real systems.
- Spring AI vs LangChain4j vs Embabel: how to choose on the JVMSpring AI, LangChain4j and Embabel compared as of October 2026: programming models, MCP, structured output, observability and when to combine them.
- A Spring Boot upgrade strategy for enterprise systemsMoving enterprise systems from Spring Boot 2.7 to 3.5 and 4.1: Jakarta, Hibernate 6/7, OpenRewrite, tests, rollout and support dates as of October 2026.