Issue #3232097 by daffie, longwave: [Symfony 6] Add "array" type hint to methods overriding Symfony\Component\EventDispatcher\EventSubscriberInterface::getSubscribedEvents()
Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase
Issue #2795395 by Yogesh Pawar, tresti88, marvin_B8, shashikant_chauhan, tstoeckler, dawehner: PathRootsSubscriber breaks if there are no routes
Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits