Issue #2663316 by omkar.podey, jofitz, alexpott, shashank5563, samuel.mortenson, Andrej Galuf, djsagar, silverham, juliaschwarz, lauriii, super_romeo, gawaksh, smustgrave, sakthi_dev, Pavan B S, lammensj, Wim Leers, camerongreen, quietone: Broken title in modal dialog when title is a render array

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

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 #2347469 by mondrake, Wim Leers, larowlan, kattekrab, mnico, tadityar: Rendering forms in AjaxResponses does not attach assets automatically

Issue #1870764 by quicksketch, dawehner, frega, larowlan, nod_: Add an ajax command which makes it easy to use the dialog API in complex cases.