Java EE 7 Specification

Java EE 8 Specification

Jakarta EE 8 Specification

The Jakarta EE 8 has the same set of specifications from Java EE 8 with no changes in its features. The only change is the new process to evolve these specifications. With this, Jakarta EE 8 is a milestone in Java enterprise history, as it inserts these specifications in a new process to boost the specifications to a cloud-native application approach.

Jakarta EE 8: The new era of Java EE explained

Java EE version history