Spring Office Hours S4E29 - Spring Boot 4 is (almost) here!
20 snips
Nov 4, 2025 Dive into the exciting advancements of Spring Framework 7 and Spring Boot 4! Discover the new null safety features that reduce runtime errors and how teams can adopt them progressively. Learn about the enhanced REST test client that simplifies API testing and the importance of built-in API versioning for enterprise consistency. Get insights on programmatic bean registration and the latest upgrades in associated ecosystem projects like Spring Security and Jackson 3. There's plenty to explore for anyone interested in Spring's evolution!
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Europe Workshops Show Rapid AI Adoption
- DaShaun returned from three weeks in Europe and ran workshops showing fast AI adoption in enterprises.
- He saw customers integrating GenAI quickly into development tools and workflows.
Two AI Adoption Paths And Guardrails
- Enterprises build two AI stacks: developer coding assistants and deployed MCP tools with guarded data access.
- Guardrails and gateways are crucial to prevent sensitive data from training external LLMs.
JDK 25 Optimization Without Breaking Baseline
- Spring Boot 4 is optimized for JDK 25 while remaining baselined on Java 17 for compatibility.
- Upgrading the JVM alone (to Java 21/25) yields immediate performance and feature gains like virtual threads and scope values.