Java Architecture Diary
Mar 5, 2026 · Backend Development
What’s New in Spring Boot Admin 4.0.0? Deep Dive into Core, UI, and RestClient Upgrade
Spring Boot Admin 4.0.0 launches with a revamped core framework, Java 25 support, a new PrimeUI theme, RestClient‑based communication, JSpecify null‑safety, Jackson 3 migration, and a temporary Jolokia limitation, offering a comprehensive upgrade for Spring‑based monitoring.
RestClientbackend-monitoringjackson3
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