How is sprint boot + java thèse days? I have a client that wants to pick it up for a suite of services (and Java) but my experience with it 5+ years ago was tha

How is sprint boot + java thèse days? I have a client that wants to pick it up for a suite of services (and Java) but my experience with it 5+ years ago was that it was an overengineered painful thing to use. I would much prefer they use a Kotlin + ktor/vertx + jooq combo but I have a hard time convincing them.