Java 11 replaces Java 8 as the most recent LTE:

https://blog.ippon.tech/comparing-java-lts-releases/

As a developer, I would like to get and use latest Java features – source and target.

(e.g., JDK-level implementation of modern HTTP client:

https://openjdk.java.net/groups/net/httpclient/intro.html)

Note:

Supposedly, this requires updating tomcat image as well.

I suggest also peeking into LOG-126 and CLAMP-320 https://gerrit.onap.org/r/c/clamp/+/82048