Other events being planned are the NetBeans Day in San Francisco
(1 October, right before JavaOne) and NetBeans Day in Montreal
(January 11, 2018).
Plus, more will be announced during the coming months.
NetBeans Days are community meetups where we focus on new
ecosystems (though others as well). Sometimes (such as NetBeans
Day UK on 25 April at the University of Greenwich, listed above)
the focus is heavily on workshops, i.e., you learn about Java EE
for free with experts to help you create meaningful applications,
via tools in NetBeans IDE.