Igniters, JFYI According to discussion [1] there are no any objections to usage of Java 11 for Ignite 3 development as target Java language and platform version. So pom.xml for Ignite 3 is already updated.
1. http://apache-ignite-developers.2346864.n4.nabble.com/DISCUSSION-Java-11-for-Ignite-3-0-development-td50534.html