Issue #2511308 by dimitriskr, ankithashetty, smustgrave, quietone, Wim Leers: Rename RendererInterface::renderPlain() to ::renderInIsolation()

Issue #2937515 by Spokje, quietone, idebr, longwave, SherFengChong, anweshasinha, borisson_, mfernea, xjm, bbrala, daffie, Berdir: Fix Drupal.Array.Array.[ArrayClosingIndentation, ArrayIndentation] coding standard

Issue #2920571 by dev.patrick, Lendude, Xtal, chanderbhushan: Inline form errors Deprecated link function

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2856950 by dmsmidt, marcvangend, tim.plunkett, andrewmacpherson, Lendude, tameeshb, Berdir, xjm, tedbow, Gábor Hojtsy, Sutharsan: Add a possibility to disable inline form errors for a complete form

Issue #2828092 by dmsmidt, gaurav.kapoor, s.d.sirois, andrewmacpherson, Gábor Hojtsy, tstoeckler, jules., Wim Leers, SKAUGHT, marcvangend, yoroy, catch: Inline Form Errors not compatible with Quick Edit

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

Issue #2578561 by tim.plunkett, joelpittet, Bojhan, Fabianx, xjm, cilefen, David_Rothstein, DamienMcKenna: Move "Inline Form Errors" functionality to optional module and restore D7-style form errors by default