4.0.0 org.springframework.boot spring-boot-starter-parent 4.1.2 com.ankurm shenandoah-jdk28 1.0.0 shenandoah-jdk28 Same Spring Boot load on G1, generational ZGC and Shenandoah (SATB and generational) on JDK 28 early access 25 org.springframework.boot spring-boot-starter-webmvc org.springframework.boot spring-boot-maven-plugin