What’s New in Spring Boot 2.2.2? Key Features and Bug Fixes Explained

Spring Boot 2.2.2 has been released with the following updates:

New Features

Enhanced ConstructorBinding , supporting nested class constructor property injection.

Support for Gradle 6 .

Bug Fixes

@SpyBean (MockitoPostProcessor) initialization of @StepScope bean out-of-bounds issue.

When configuring Netty, the server.ssl.key-alias property is ignored.

Using @Validated on immutable configuration property classes (with @ConstructorBinding) does not display the property in actuator.

Bean class placeholder does not work in 2.2.1.RELEASE: class="${service.class}" .

Liquibase endpoint fails to provide correct information when using multiple data sources.

ConstructorBinding fails when configuration class has a Map type parameter.

Rabbit configuration without protocol in address ignores ssl.enabled.

Spring Boot DevTools YAML property loading does not work (issue #19081).

Permission configuration is correct, but HealthWebEndpointMapper shows all endpoints as fresh.

Spring Boot Maven plugin shutdown issue (issue #18940).

BasicJsonParser cannot correctly handle spaces between [ and {.

@ServletComponentScan does not work with component index feature.

For more version upgrades, refer to the official release notes: https://github.com/spring-projects/spring-boot/releases/tag/v2.2.2.RELEASE