Spring Boot Versions & Support Lifecycle Guide

Complete guide to Spring Boot versions: active releases (3.4, 3.3, 3.2), Java baseline requirements, end-of-life dates, and migration recommendations.

A comprehensive developer guide to current Spring Boot versions, release roadmaps, Java 17/21 baselines, and commercial vs open-source support timelines.

Spring Boot Version Quick Reference (2026)

  • Latest Version: Spring Boot 3.4.x (Active Mainline release line)
  • Current Stable Standard: Spring Boot 3.4 with Java 21 LTS (Recommended for all production systems)
  • Default Scaffolding Version: Spring Boot 3.4.0 (Pre-configured in SpringForge Generator)
  • Maintenance Version: Spring Boot 3.3.x (Supported, upgrades to 3.4 recommended)
  • End of Life (Do Not Use): Spring Boot 3.2.x, 3.1.x, 3.0.x, and all 2.x releases (No open-source security patches)