Spring Blog

Engineering

This Week in Spring - June 30th, 2026

Hi, Spring fans! Welcome to another installment of This Week in Spring, a weekly recap in which we review the latest and greatest in the wide and…

Josh Long·June 30, 2026

A Bootiful Podcast: My friend Francesco Ciulla on developer advocacy and more

Josh Long·June 25, 2026

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…

Christian Tzolov·June 23, 2026

This Week in Spring - June 23rd, 2026

Hi Spring fans! In this installment, we look at the wide and wonderful world of Spring, as usual, and there's a good amount to get to, fresh off the…

Josh Long·June 23, 2026

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…

Josh Long·June 21, 2026

A Bootiful Podcast: DaShaun Carter on patching, Spring Boot 4.1, and security in the world of AI

Josh Long·June 18, 2026

This Week in Spring - June 16th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! I'm writing this from the oh-so-delightful (and delicious!) city of New Delhi…

Josh Long·June 16, 2026

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 agentic…

Christian Tzolov·June 15, 2026

A Bootiful Podcast: Spring Security lead Rob Winch answers some security questions for me

Josh Long·June 11, 2026