"This is an explanation of Jakarta EE & MicroProfile update for Japanese Java Users Group at Java 25th Anniversary event. In this session, I explained about the history of J2EE/Java EE/Jakarta EE as well as MicroProfile."
"The Jakarta EE Ambassadors were originally founded as the Java EE Guardians. In early 2016 Oracle appeared to lose focus on Java EE 8 progress. A community effort, which became the Java EE Guardians, was then made to document the lack of progress on the various specifications."