Issue #2837022 by hchonov, xjm, vlad.dancer, plach, matsbla, Gábor Hojtsy: Concurrently editing two translations of a node may result in data loss for non-translatable fields

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 #2428795 by mkalkbrenner, plach, yched, catch, hchonov, webchick, tstoeckler, pjonckiere, miro_dietiker, Schnitzel, klausi: Translatable entity 'changed' timestamps are not working at all

Issue #1976158 by Berdir | msonnabaum: Rename entity storage/list/form/render "controllers" to handlers.

Issue #2044583 by jlindsey15, Gábor Hojtsy, Wim Leers, Berdir: Add EntityChangedInterface to allow entities with 'changed' field to be properly cached.