Spring Boot - Validations stopped working after upgrade from 2.2.5 to 2.3.0

According to spring boot 2.3.1 release there is no longer contains spring-boot-starter-validation with spring starter

how to add starter validation on

maven

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

Gradle

dependencies {
  ...
  implementation 'org.springframework.boot:spring-boot-starter-validation'
}

referee the release note

https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.3-Release-Notes#validation-starter-no-longer-included-in-web-starters

Validation starter not included in web starters anymore.

The spring-boot-starter-validation is not a transitive dependency of spring-boot-starter-web and spring-boot-starter-webflux anymore.

Add this dependency for validations work.

<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

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