Issue #2574981 by Manjit.Singh, dimaro, wengerk, darol100, izus, pguillard, vsujeetkumar, Himanshu5050, snehi, paulocs, rakesh.gectcr, jofitz, _utsavsharma, charginghawk, rajeshwari10, sdstyles, quietone, benjifisher, marcusvsouza, LoMo, joelpittet, justAChris, cilefen, YesCT, mradcliffe, spitzialist, annajl, jhodgdon, catch, alexpott, Sabbi0612, kattekrab, Mile23, antojose, leanderl, rodrigoac: Fix grammar ("an URL" should be "a URL") and consistent use of URL (not "url" / "Url") in documentation only

Issue #3268746 by quietone, xjm: Fix missing newlines for 'Drupal.Commenting.DocComment.ShortSingleLine'

Issue #3163487 by sudiptadas19, IT-Cru, raman.b, idebr, dawehner: Breadcrumb: $title could be an array, but Link() requires a string

Issue #2875807 by Hardik_Patel_12, idebr, Kristen Pol: Drupal::l() / Link::fromTextAndUrl $text documented as string, actually accepts string|array|\Drupal\Component\Render\MarkupInterface

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 #2818011 by shashikant_chauhan, rakesh.gectcr, yashsharma01, dalin, akalata, Chi, catch, rosschive: Missing 'attributes' under 'options' in docs for Link::createFromRoute

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

Issue #2628754 by cilefen, kristiaanvandeneynde, dawehner, Berdir: Link::toString() should not be deprecated

Issue #2568977 by alexpott, dawehner, pwolanin, Wim Leers: Replace SafeMarkup::format() in the link generator - it's a bad example to everyone

Issue #2529560 by John Cook, dawehner, Xano, lauriii, tim.plunkett, Wim Leers, nlisgo, Crell, plach, Fabianx: Expand support for link objects

Issue #2335661 by Wim Leers, pwolanin, dawehner, Fabianx, larowlan, catch, Berdir: Outbound path & route processors must specify cacheability metadata

Issue #2345793 by tim.plunkett | xjm: Entities should provide a method for a properly generated link to the entity.