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Spring Cloud 2022.0.0-M4 (codename Kilburn) Has Been Released

On behalf of the community, I am pleased to announce that the Milestone 4 (M4) of the Spring Cloud 2022.0.0 Release Train is available today. The release can be found in Spring Milestone repository. You can check out the 2022.0 release notes for more information.

Notable Changes in the 2022.0.0 Release Train

See the project page for all the issues and pull requests included in this release.

Spring Cloud 2022.0.0-M4 is compatible with Spring Boot 3.0.0-M4.

Spring Cloud Stream

  • Initial version of fully reactive Kafka binder
  • Improved support for Kafka tombstone records via BiFunction
  • Spring Native improvements

Spring Cloud Config

  • Moved to AWS SDK V2 (#2111)
  • Moved from JSCH to Apache MINA (#1901)

Spring Cloud Gateway

  • Adds JSON to gRPC filter (#2657)

Spring Cloud Function

  • Support for BiFunction to represent Spring Message
  • Spring Observability module

Spring Cloud Task

  • Support Observations for ApplicationRunner and CommandlineRunner within an application.
  • Spring Cloud Task now utilizes Micrometer Observations for capturing task metrics.
  • Users can specify different datasources for the jdbc-item reader and or jdbc-item writer in single step batch jobs. (#848)

Spring Cloud Vault

  • Upgrades to Spring Vault 3.0.0-M2 (#647

Spring Cloud Commons

  • Added the possibility to eagerly create LoadBalancer child contexts (#729)

The following modules were updated as part of 2022.0.0-M4:

Module Version Issues
Spring Cloud Stream 4.0.0-M4  
Spring Cloud Config 4.0.0-M4 (issues)
Spring Cloud Build 4.0.0-M4  
Spring Cloud Consul 4.0.0-M4 (issues)
Spring Cloud Kubernetes 3.0.0-M4 (issues)
Spring Cloud Gateway 4.0.0-M4  
Spring Cloud Starter Build 2022.0.0-M4  
Spring Cloud Circuitbreaker 3.0.0-M4  
Spring Cloud Contract 4.0.0-M4 (issues)
Spring Cloud Bus 4.0.0-M4  
Spring Cloud Function 4.0.0-M4  
Spring Cloud Task 3.0.0-M4 (issues)
Spring Cloud Zookeeper 4.0.0-M4  
Spring Cloud Openfeign 4.0.0-M4  
Spring Cloud Vault 4.0.0-M4 (issues)
Spring Cloud Commons 4.0.0-M4 (issues)

As always, we welcome feedback on GitHub, on Gitter, on Stack Overflow, or on Twitter.

To get started with Maven with a BOM (dependency management only):

<repositories> <repository> <id>spring-milestones</id> <name>Spring Milestones</name> <url></url> <snapshots> <enabled>false</enabled> </snapshots> </repository> </repositories> <dependencyManagement> <dependencies> <dependency> <groupId></groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>2022.0.0-M4</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId></groupId> <artifactId>spring-cloud-starter-config</artifactId> </dependency> <dependency> <groupId></groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> </dependency> ... </dependencies>

or with Gradle:

buildscript {
dependencies {
classpath "io.spring.gradle:dependency-management-plugin:1.0.2.RELEASE"

repositories {
maven {
url ''

apply plugin: "io.spring.dependency-management"

dependencyManagement {
imports {
mavenBom ''

dependencies {
compile ''
compile ''
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