Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect

Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect Jakarta EE 11 launched with a refreshed pitch around portability, independent runtimes, and alignment with the latest JVM specs. The Java community responded with its usual enthusiasm: "Spring is bloated, we're going back to standards." I read all of it. And then I did something most people don't: I migrated a real module from a digital signature backend I had running in production on Sp