Issue #3152415 by Lal_, rik-dev, Matroskeen, daffie: Bracket-encapsulated field names for static queries in core/lib/Drupal/Core

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 #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 #2663264 by alexpott, catch: Queue's database backend is a core service but it depends on system install

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2463321 by amateescu: Serializing the database connection is dangerous and error-prone, make it unserializable again