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This Week in Spring - September 22nd, 2026
Hi, Spring fans! Welcome to another installment of This Week in Spring! How're you? What're you building these days? I'm sitting here enjoying a cup…
Engineering
More →Spring AI and TypeSafe Jev: Fast, Cheap, Structured Decisions
Reference documentation and GitHub repository We often need quick decision-making components in our AI applications: to pick the next step in a multi…
Releasing Spring for Modern Challenges
Releasing Spring For Modern Challenges TL;DR: The Spring release train has been updated from a two week long train to a single day, the Thursday afte…
Self-Correcting Structured Output in Spring AI 2.0
Large language models are text-in, text-out systems — their interface is natural language. Natural language is a great interface for humans and a po…
MongoDB-backed Spring Batch jobs and more in Spring Boot 4.1
Spring Batch was introduced many years before MongoDB existed, and its design assumed the presence of a SQL database in which to store the state of S…
Tool Calling in Spring AI 2.0: A Composable, Agentic Architecture
Tool calling — the ability for an AI model to invoke application-defined functions and act on the results — is the essential building block of agenti…
Ronald Dehuysser, founder of JobRunr, on their ambitious new JavaClaw-like agent runtime
Hi Spring fans! In this installment, I talk to my friend and JobRunr founder Ronald Dehuysser about the latest and greatest, and their new "JavaClaw"…
Series
More →This Week in Spring - September 15th, 2026
Hi, Spring fans! Welcome to another rip-roarin' installment of This Week in Spring! I'm writing this to you from sun-kissed San Francisco, CA, sipping…
This Week in Spring - September 8th, 2026
Bonjour a tout le monde! Welcome to another rip-roarin' installment of This Week in Spring! It's a fabulous and fun day here in Paris, France, as I…
This Week in Spring - September 1st, 2026
Hi, Spring fans! Welcome to another exciting installment of This Week in Spring! I'm writing this from lovely Oslo, Norway, for the joyous JavaZone…
Releases
More →Spring Tools 5.4.0 released
On behalf of the team and everyone who has contributed, I am pleased to announce the 5.4.0 release of the Spring Tools for Visual Studio Code, Cursor…
Spring Modulith 2.2 M1, 2.1.1, 2.0.8, and 1.4.13 released
On behalf of the community, I am happy to announce the availability of Spring Modulith 2.2 M1, 2.1.1, 2.0.8, and 1.4.13. The bug fix releases…
Spring AI 2.0.1 Available Now
On behalf of the Spring AI team and everyone who has contributed, I'm happy to announce that Spring AI 2.0.1 has been released and is now available…
Spring Batch 6.0.5 and 6.1.0-M1 available now
On behalf of the team and all contributors, I am pleased to announce that Spring Batch 6.0.5 and 6.1.0-M1 are available from Maven Central. These…
Spring Boot 4.0.8 available now
On behalf of the team and everyone who has contributed, I'm happy to announce that Spring Boot 4.0.8 has been released and is now available from Maven…
Spring Boot 4.1.1 available now
On behalf of the team and everyone who has contributed, I'm happy to announce that Spring Boot 4.1.1 has been released and is now available from Maven…
News & Events
More →A New Home for Spring Cloud Contract: Transitioning to Stubborn.sh
For years, Spring Cloud Contract has been an important tool for developers building consumer-driven contracts and ensuring reliable microservices…
Spring and Security In The Times Of AI
TL;DR: As previously mentioned, the May Spring release train has been moved and condensed to June 8-14. The majority of projects within the Spring…
May Release Train Date Changes
UPDATE: The Spring release train needs to move one more time to June 8-12. Updates to https://calendar.spring.io are forthcoming. We thank you for…