Issue #2938970 by MerryHamster, surbz, msankhala, alexpott, Jo Fitzgerald, Yasiru Nilan, Manuel Garcia, ZeiP, boaloysius, xjm, wturrell, tameeshb, darrenwh, ritzz: Replace drupal_render() in @param, @return, @see, @Link, etc

Issue #2905818 by Wim Leers, Lendude: Make sure \Drupal\Tests\BrowserTestBase::checkForMetaRefresh is case insensitive

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 #2808085 by klausi, claudiu.cristea, stof, nicolas.grekas: Pipe char in locators break Mink and Symfony element search

Issue #2773733 by claudiu.cristea, klausi, dawehner: Fix AssertLegacyTrait::assert(No)Text to handle html encoded strings (part 3)

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

Issue #2603788 by Wim Leers, dawehner: HtmlResponseSubscriber does not call HtmlResponseAttachmentsProcessor on subrequests

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk, olli: Remove all usages SafeMarkup::checkPlain() from render arrays

Revert "Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays"

This reverts commit 31007609.

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays

Issue #2505989 by alexpott, dawehner, olli: Controllers render caching at the top level and setting a custom page title lose the title on render cache hits

Issue #2076085 by dawehner, damiankloip, Letharion, pwolanin: Resolve the need for a 'title callback' using the route .

Issue #2032535 by dawehner, katbailey, pwolanin, Crell: Resolve 'title/title callback' by adding a _title propery on the route and allow a title be part of the render array.