Spring Documentation May 2026

The primary hub for all Spring-related knowledge is Spring.io/docs. Because Spring is a collection of projects (not just one framework), the documentation is organized by specific project needs. The Core Reference Guide

: First-class support for unit and integration testing with the Spring TestContext Framework . spring documentation

If you are starting a new project, Spring Boot Documentation is likely where you will spend most of your time. It focuses on the "opinionated" view of the framework, detailing: The primary hub for all Spring-related knowledge is Spring

: How Spring manages beans and handles dependency injection. spring documentation

: How the framework automatically guesses which beans you need based on the classpath.