We are pleased to announce the release of Spring for Apache Kafka version 3.3.2

Release Notes

For details about what's included in this release, please refer to the release notes:

https://github.com/spring-projects/spring-kafka/releases/tag/v3.3.2

Kafka Client 3.9.x compatibility

This release supports Kafka Client versions 3.8.x and 3.9.x. If your application requires Kafka Client 3.9.x, you'll need to manually upgrade the client version. For instructions on overriding Kafka client versions in Spring Boot, please refer to our documentation.

Spring Boot Integration

The 3.3.2 release will be incorporated into the upcoming Spring Boot 3.4.2. Additionally, this version will be included in the Spring Boot 3.5.x line and will ship with the upcoming Spring Boot 3.5.0-M1…

On behalf of the team and everyone who contributed, I am pleased to announce the 3.2.2 patch release for Spring AMQP.

This version includes some bug fixes and dependency upgrades.

See more info in the Release Notes.

Many thanks to community for feedback and prompt fixes!

Now we are switching to 4.0 generation which is going to be based on Spring Framework 7.0. It will have some long-standing breaking changes, incorporate a new null-safety from Spring Framework based on JSpecify. We also are looking for including a new spring-rabbit-amqp10 module based on the com.rabbitmq.client:amqp-client library for AMQP protocol 1.0. Don't hasitate to reach us out in…

On behalf of the team and everyone who has contributed, I’m pleased to announce the availability of 2024.1.2 and 2024.0.8 service releases. These releases ship with dependency upgrades, fixes for regressions and selected improvements.

The upcoming Spring Boot releases will pick up the above releases by next week.

Next week, we are shipping a first milestone of the Spring Data 4.0 development line (Calver 2025.1.0 M1) containing several refinements around JPA support including the baseline upgrade to JPA 3.2 (Hibernate 7.0 Beta3, Eclipselink 5.0 B05) based on Spring Framework 7.0 M1. This is…

The experimental Spring gRPC project released its 0.3.0 version recently. Jars are available in Maven Central, and you can generate a new project with Spring gRPC at https://start.spring.io. We recommend you do that if you are trying it out because there are some build plugins to configure and the generated project will have that all sorted out for you.

The new release has some updates to factory interfaces on the client side. Also there is now full support for autoconfiguration of client side interceptors, including the ones from Micrometer. On the server side we now support Spring Security…

On behalf of the team and everyone who has contributed, I am pleased to announce that Spring Framework 6.2.2 are available now.

Spring Framework 6.2.2 ships with 47 fixes and documentation improvements. This version will be shipped next week with Spring Boot 3.4.2 and 3.5.0-M1.

Project Page | GitHub | Issues | Documentation

We're pleased to announce Spring AI MCP 0.5.0 milestone release.

Major Features & Improvements

Transport Layer Enhancements

• New Servlet-based SSE Transport

  • Added HttpServletSseServerTransport with Servlet 6.0 support
  • Enables integration with any Java HTTP server supporting Servlets
  • Compatible with Jakarta Servlet API 6.1.0
  • Includes comprehensive integration tests with Tomcat

• Enhanced WebMVC Transport

  • Replaced Spring's SseEmitter with custom BlockingQueue-based implementation
  • Improved event delivery control and connection management
  • Added dedicated session management with SSEEvent record
  • Enhanced error handling and timeout management
  • Includes comprehensive integration tests
…

On behalf of the community, I am pleased to announce that the General Availability (RELEASE) of the Spring Cloud 2023.0.5 (aka Leyton) Release Train is available today. The release can be found in Maven Central. You can check out the 2023.0 release notes for more information.

Notable Changes in the 2023.0.5 Release Train

This is mostly a bugfix and dependency upgrade release. Please find the issues and pull requests here.

The following modules were updated as part of 2023.0.5:

We're pleased to announce Spring AI MCP 0.4.0 milestone release.

Repository Configuration

Add this Spring milestone repository to your POM:

<repositories>
  <repository>
    <id>spring-milestones</id>
    <name>Spring Milestones</name>
    <url>https://repo.spring.io/libs-milestone-local</url>
    <snapshots>
      <enabled>false</enabled>
    </snapshots>
  </repository>
</repositories>

Major Features

Reference documentation: https://docs.spring.io/spring-ai-mcp/reference/overview.html

Enhanced Roots Management

• Implemented proper ListRootsResult wrapping in async client
• Added listRoots methods in server components
• Implemented roots change notification handling in async server
• Added roots integration tests including async notifications
• Added support for roots change notification with single and multiple consumers
• Improved robustness of root addition/removal scenarios
…

We're pleased to announce Spring AI MCP 0.2.0 milestone release.

Repository Configuration

Add this Spring milestone repository to your POM:

<repositories>
  <repository>
    <id>spring-milestones</id>
    <name>Spring Milestones</name>
    <url>https://repo.spring.io/libs-milestone-local</url>
    <snapshots>
      <enabled>false</enabled>
    </snapshots>
  </repository>
</repositories>

Major Features

MCP Server Enhancements

• Introduced new McpServer factory with builder pattern for flexible configuration
• Added McpAsyncServer with non-blocking operations and reactive support
• Implemented McpSyncServer as synchronous wrapper around async implementation
• Added runtime tool management capabilities
• Introduced server capabilities and implementation information support
…