On behalf of the Spring AI engineering team and everyone who has contributed, I'm happy to announce that Spring AI 1.1.0-M2 has been released and is now available from Maven Central.

This milestone release focuses primarily on enhanced Model Context Protocol (MCP) support, incorporating critical fixes and improvements from the MCP Java SDK v0.13.0 release, along with significant updates across many areas of Spring AI.

Release Summary

This release includes 56 improvements, bug fixes, and documentation updates. The primary focus areas include:

• Model Context Protocol Enhancements: Updated to MCP Java SDK v0.13.1 with mcp-annotations v0.4.1 and protocol version 2025-06-18 support
• MCP Integration Fixes: Resolved critical stateless server registration issues with AOT compilation support
• New Features: 16 new capabilities and functionality additions
• Stability: 12 bug fixes addressing community-reported issues
• Documentation: 6 improvements including comprehensive MCP getting started guide
• Other Improvements: 22 enhancements including performance optimizations and dependency upgrades
…

I am pleased to announce the availability of Spring Modulith 2.0 M3. It release ships the following new features:

• Updated event publication repository implementation for JPA #1375
• Support for serialized event publication externalization #1370
• Jackson 3 support for event publication serialization and externalization #1369, #1364
• More lenient out-of-the-box verification for Hexagonal Architecture #1366
• Upgrade to Spring Boot 4.0 M3 #1376
• Upgrade to jMolecules 2025 RC5 #1377

Find more details about the releases in the full changelog.

On behalf of the team and everyone who has contributed, I'm happy to announce that Spring Boot 3.4.10 has been released and is now available from Maven Central.

This release includes 36 bug fixes, documentation improvements, and dependency upgrades. Thanks to all those who have contributed with issue reports and pull requests.

How can you help?

If you're interested in helping out, check out the "ideal for contribution" tag in the issue repository. If you have general questions, please ask on stackoverflow.com using the spring-boot tag.

Project Page | GitHub | Issues | Documentation | Stack…

On behalf of the team and everyone who has contributed, I'm happy to announce that Spring Boot 3.5.6 has been released and is now available from Maven Central.

This release includes 43 bug fixes, documentation improvements, and dependency upgrades. Thanks to all those who have contributed with issue reports and pull requests.

How can you help?

If you're interested in helping out, check out the "ideal for contribution" tag in the issue repository. If you have general questions, please ask on stackoverflow.com using the spring-boot tag.

Project Page | GitHub | Issues | Documentation | Stack…

On behalf of the team and everyone who has contributed, I'm happy to announce that Spring Boot 4.0.0-M3 has been released and is now available from Maven Central.

This release includes 98 enhancements, documentation improvements, dependency upgrades, and bug fixes. Notable new features include:

• Jackson auto-configuration now requires Jackson 3
• Support for Kotlin Serialization
• Liveness and readiness probe endpoints are now enabled by default
• Improvements to MongoDB health indicators and configuration properties

Please see the release notes for more details and upgrade instructions.

Thanks to…

On behalf of the Spring AI engineering team and everyone who has contributed, I'm happy to announce that Spring AI 1.0.2 has been released and is now available from Maven Central.

This patch release delivers important stability improvements and bug fixes with 91 improvements, bug fixes, and documentation updates.

Key Improvements

• New Features: GPT-5 model support, MariaDB vector similarity scores, Kotlin data class JSON schema support
• Bug Fixes: Enhanced error handling, thread-safe date formatting, improved null safety
• Documentation: Developer experience improvements and updated guides
• Dependencies: Security updates and performance improvements
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On behalf of the team and all contributors, I am pleased to announce that Spring Batch 6.0.0-M3 and 5.2.3 are now available in Maven Central!

Version 5.2.3 is a maintenance release that includes several bug fixes and dependency upgrades. You can find the complete list of changes in the release notes.

This blog post is more about the 6.0.0-M3 milestone release, which comes with following features and improvements:

• New concurrency model
• Ability to stop all kinds of steps
• Observability with the Java Flight Recorder

For the complete list of changes, please check its release notes here.

New…

On behalf of the team and everyone who contributed, I am pleased to announce the Third Milestone of Spring Integration 7.0.0 generation. For convenience, the 7.0.0-M3 artifacts are also available in Maven Central.

In addition, the 6.5.2 and 6.4.7 versions with bug fixes and dependency upgrades have been released.

Some notable changes in 7.0.0-M3 are:

• JUnit 6 upgrade;
• The Nullability via JSpecify and Nullaway is applied to every single package in the project;
• The AbstractPersistentAcceptOnceFileListFilter implementations now deal with full remote file to avoid conflict with the same file name in different directories;
• The AbstractInboundFileSynchronizer now caches the Session.list() result (after filtering) between polls when maxFetchSize is limited;
• The Spring Retry dependnecy has been removed and its API has been replaced with similar one in the Spring Framework Core;
• All the available major/minor dependency upgrades.
…

On behalf of the team and everyone who contributed, we are pleased to announce that Spring for Apache Kafka 4.0.0-M5 has been released. We also released a patch GA version 3.3.10. We extend our gratitude to all contributors who made these releases possible.

This is the final milestone release for the 4.0 series. We plan to release the first release candidate (RC1) next month.

What's New in 4.0.0-M5

Jackson 3 Support: Added comprehensive Jackson 3 support across all serialization and messaging components. The framework automatically detects and prefers Jackson 3 when available, while Jackson…