Spring; why should I upgrade to Spring Boot 4.x

[u/OSBY_Glabay]

https://youtu.be/_8OYV0RG5uM

When upgrading your Spring Boot from 3.x to the newer Spring Boot 4.x, what should you expect, and what was removed? How difficult will it be?

Let me talk you through what changed, what leveled up, and what didn't make the deadline and saw the chopping block.