Spring Full-Stack Practical Cases

Aug 13, 2026 · Backend Development

Discover Spring Boot’s New BeanFactoryInitializer – Early Bean Initialization Made Easy

Spring Boot 3.5 introduces the BeanFactoryInitializer extension point, allowing developers to safely pre‑instantiate specific beans before the regular singleton pool, replace unsafe BeanFactoryPostProcessor hacks, fetch remote configurations, and programmatically register @Tool‑annotated beans, all demonstrated with concrete code examples and a working test.