4.0.0 com.baeldung spring-mobile 1.0-SNAPSHOT spring-mobile war http://maven.apache.org parent-boot-4 com.baeldung 0.0.1-SNAPSHOT ../parent-boot-4 org.springframework.boot spring-boot-starter-web org.springframework.mobile spring-mobile-device org.springframework.boot spring-boot-starter-freemarker spring-releases Spring Milestone Repository https://repo.spring.io/libs-release spring-releases Spring Milestone Repository https://repo.spring.io/libs-release