What’s New in Spring Boot 2.4.2 & 2.3.8? Features, Fixes, and Maven Coordinates

Spring Boot 2.4.2 Version

Spring Boot 2.4.2 and 2.3.8.RELEASE have been released and are available from Maven repositories.

<parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>2.4.2</version>
  <relativePath/> <!-- lookup parent from repository -->
</parent>

New Features

Added PropertySource resource lookup API.

Bug Fixes

HikariDataSourceMetricsRegistry fails when calling Wrapper.isWrapperFor.

Log format error when multiple web applications are present.

configprops endpoint does not include properties marked with @Name.

Gradle plugin cannot build War‑type images.

spring.profiles.include ineffective in special configuration files.

configtree cannot use Kubernetes volume.

Spring Boot Netty Server does not support Unix Sock.

During unit tests, test/application.properties is overridden by application.yaml.

Improved Spring Boot plugin image build identity verification.

maven-resources-plugin builds with warning messages.

Endpoints now support JSR‑305 @Nullable annotation.

exceptiontranslation=false switch for exception translation does not work.

Because the 2.4.2 changelog is extensive, especially regarding configuration file loading changes, see the official release logs for more details.

Official releases: https://github.com/spring-projects/spring-boot/releases/tag/v2.4.2 and https://github.com/spring-projects/spring-boot/releases/tag/v2.3.8.RELEASE