Issue #2861067 by vaplas: Random fail in Drupal\aggregator\Tests\FeedAdminDisplayTest::testFeedUpdateFields

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 #202783 by evgeny.chernyavskiy, jrdixey, YesCT, subhojit777, adinac, jeet09, gaurav_varshney, alansaviolobo, Devin Carlson, chetan2111, beanworks, phantomvish: Use a consistent name for the aggregator module throughout core

Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2228823 by StryKaizer, ParisLiakos, joshi.rohit100, Nitesh Sethia, Aron Novak, geertvd: Aggregator feed overview misleading text