What’s New in Spring Cloud 2021 Release? Explore Features and Compatibility

Spring Cloud 2021 (Jubilee) Released

Spring Cloud 2021 (Jubilee) is officially released and is built on Spring Boot 2.6.x ; it is not compatible with Spring Boot 2.5.x or earlier versions.

The release is now available for download from the central Maven repository.

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-dependencies</artifactId>
    <version>2021.0.0</version>
    <type>pom</type>
    <scope>import</scope>
</dependency>

Core Component Versions

Spring Cloud Vault: 3.1.0

Spring Cloud Bus: 3.1.0

Spring Cloud CLI: 3.1.0

Spring Cloud Zookeeper: 3.1.0

Spring Cloud Circuitbreaker: 2.1.0

Spring Cloud Commons: 3.1.0

Spring Cloud Kubernetes: 2.1.0

Spring Cloud OpenFeign: 3.1.0

Spring Cloud Task: 2.4.0

Spring Cloud Sleuth: 3.1.0

Spring Cloud Contract: 3.1.0

Spring Cloud Consul: 3.1.0

Spring Cloud Gateway: 3.1.0

Spring Cloud Config: 3.1.0

Spring Cloud Cloudfoundry: 3.1.0

Spring Cloud Starter Build: 2021.0.0

Spring Cloud Netflix: 3.1.0

Feature Highlights

Spring Cloud Commons

Added load‑balancer configuration properties, supporting integration with Spring Cloud Gateway and OpenFeign.

Spring Cloud Config

The configuration center now supports integration with AWS KMS, AWS Parameter Store, and GCP Secret Manager.

Spring Cloud Gateway

Redis‑based route information storage, simplifying dynamic routing.

Support for HTTP/2.

Support for gRPC.

Spring Cloud Kubernetes

Provides a service‑discovery controller configuration.

Spring Cloud OpenFeign

Supports the @Cacheable annotation from Spring Cache.

Spring Cloud Sleuth

Offers tracing capabilities for components such as Tomcat, Spring Vault, R2DBC, JDBC, Spring Cloud Deployer, Spring Cloud Skipper, Reactor Kafka, Spring TX, Spring Batch, RSocket, Spring Cloud Task, Spring Cloud Config, Kotlin Coroutines, and more.

Special Notes

Only compatible with Spring Boot 2.6; it cannot be used with lower Spring Boot versions.

Spring Cloud Alibaba 2021 is not compatible and must wait for an official update.