There's always been a disconnect between the product name and the underlying JDK version, but at least Java 8 matched the decimal increment of the underlying JDK, which was versioned at 1.8. But Java ...

The following year, Java 1.1 was released with an entirely updated, yet backwards compatible, event model. Compare that to Python, which to the disappointment of users did not include a case statement ...

Aside from Java 11 support there are a number of important refinements in Spring 5.1, including integration with the recently released Reactor Californium and Hibernate ORM 5.3.