Springboot 3.0 Features

Major changes are around

Java version - 17 or later

Spring Framework 6

Gradle version - 7.3 or later

Jakarta

----Javax package is now moved to Jakarta package. As a result we need to adjust all imports in our code to jakarta package. For example

import javax.servlet.http.HttpServletRequest

will be now

import jakarta.servlet.http.HttpServletRequest

Spring Native support

HttpExchange

--allow declarative way to call API rathar than using rest template,web client,feinclient

Observability with Macrometer & Macrometer tracing

ProblemDetails

simplify the error management process.