Well, Spring has multiple fundamental problems. They've chosen wrong language and wrong techniques. Runtime metaprogramming is sick and slow. Though that doesn

Well, Spring has multiple fundamental problems. They've chosen wrong language and wrong techniques. Runtime metaprogramming is sick and slow. Though that doesn't mean that anything is wrong with JVM as a platofrm. spring-core can be replaced by, essentially, several hundred lines of LoC: https://izumi.7mind.io/distage/index.html https://izumi.7mind.io/distage/index.html And in fact these lines can do lot more than Spring.