4.0.0 org.springframework.boot spring-boot-starter-parent 4.1.1 com.ankurm jdk28-zgc 1.0.0 jdk28-zgc Startup and heap-sizing harness for ZGC across JDK 25, 27 and 28 early access 25 org.springframework.boot spring-boot-starter-webmvc org.springframework.boot spring-boot-maven-plugin