What’s New in Spring Cloud 2021.0.1? Full Release Notes and Upgrade Guide

Spring Cloud 2021.0.1 has been officially released as the first bug‑fix version of the 2021 line, supporting smooth upgrade from 2021.0.0.

It can be retrieved from the central repository with the following Maven coordinates:

dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>2021.0.1</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>
<dependencies>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-config</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>
    ...
</dependencies>

Release notes

Spring Cloud Gateway

Added a route predicate to validate the X‑Forwarded‑For request value, similar to the RemoteAddr predicate.

Allowed configuring the order of the gateway HandlerMapping; by default GatewayHandlerMapping has the highest priority.

Spring Cloud OpenFeign

Updated to OpenFeign 11.8.

Supported readTimeout property for OkHttpClient.

OAuth2FeignRequestInterceptor can now configure an AccessTokenProvider connector with automatic load balancing.

Spring Cloud Config

Fixed bugs in the file matcher when handling JSON, YAML, and properties formats.

Spring Cloud Sleuth

Fixed startup failures for Spring Boot 2.6.x applications.

TraceId is now propagated across thread pools without contaminating the context.

Added support for non‑Brave Kafka message containers.

Dependency upgrades

The following modules have been upgraded to version 2021.0.1:

Spring Cloud Config – 3.1.1

Spring Cloud Zookeeper – 3.1.1

Spring Cloud Circuitbreaker – 2.1.1

Spring Cloud Kubernetes – 2.1.1

Spring Cloud Commons – 3.1.1

Spring Cloud Sleuth – 3.1.1

Spring Cloud Contract – 3.1.1

Spring Cloud Task – 2.4.1

Spring Cloud Gateway – 3.1.1

Spring Cloud OpenFeign – 3.1.1

Spring Cloud Starter Build – 2021.0.1

Spring Cloud Netflix – 3.1.1