Spring Boot 4 Major Features Explained | 9 Major Changes Every Java Developer Must Know

Spring Boot 4 Major Features Explained | 9 Major Changes Every Java Developer Must Know. It changes how Spring applications are built, configured, tested, and run in production.

In the previous video, we covered Spring Framework 7 major features and understood how the core framework is evolving.
In this video (Video #2 of the playlist), we move one level up and focus on Spring Boot 4, the layer most backend developers work with every day.

This video explains 9 major Spring Boot 4 features, not as documentation points, but with real-world context so you understand why these changes matter in enterprise projects.

📌 What you will learn in this video:
How Spring Boot 4 improves startup, memory, and modularity
Why configuration and security defaults are stricter
How observability, containers, and testing are simplified
What changes you must understand before upgrading

▶️ Related Videos

🔹 Previous Video (Spring Framework 7 Major Features):
👉    • Spring Framework 7 Released! Top 7 Major F...  

🔹 Next Video (Spring Boot 4 Modularization with Demo):
👉    • Spring Boot 4 Modularization Explained | S...  

🔹 Complete Spring 7 & Spring Boot 4 Playlist:
👉    • Spring Boot 4 NEW Features Tutorial Series  

00:00 – Recap of Spring Framework 7 & Introduction
00:20 – What This Video Covers (Spring Boot 4 Overview)
01:10 – About Dip Developer Channel & Playlist Overview
01:36 – Feature 1: Modular Auto-Configuration
03:02 – Feature 2: Cleaner & Predictable Starters
04:14 – Feature 3: Stricter Configuration Validation
05:34 – Feature 4: Operations-First Actuator
06:25 – Feature 5: Opinionated Observability
07:15 – Feature 6: Improved Container & Buildpack Support
08:02 – Feature 7: Better Native Image Readiness
08:28 – Feature 8: Faster & Cleaner Testing Experience
08:51 – Feature 9: Hardened Security Defaults
09:23 – Final Thoughts & What’s Coming Next

If you are a Java backend or Spring developer, this video will help you stay future-ready.

👍 Like | 🔔 Subscribe | 💬 Comment your doubts

📚 Official Resources & Links:

Spring Boot 4 Official Doc: https://spring.io/blog/2025/11/20/spr...

Release Notes: https://github.com/spring-projects/sp...

Migration Guide: https://github.com/spring-projects/sp...

#SpringFramework7 #SpringBoot4 #Java #Microservices #JavaDevelopment #SoftwareEngineering #Spring7Features #springboot4 #SpringBoot4Features
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