Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2421021 by YesCT, lhuacho, martin107, shashikant_chauhan, amateescu, tremix: Missing help text for external url only for link widget

Issue #356399 by dawehner, beejeebus, catch, sidharrell, klausi, nlisgo, Josh Waihi, Berdir, martin107: Optimize the route rebuilding process to rebuild on write

Issue #2273923 by mpdonadio, pfrenssen, effulgentsia, pcambra, xjm, tim.plunkett, martin107, cilefen: Remove html => TRUE option from l() and link generator

Issue #2423579 by mpdonadio, xjm, heilop, Wim Leers, webchick: Url::fromUrl('user-path:/') should throw an exception when a path component without a slash is given

Issue #2418017 by Wim Leers, YesCT, dawehner, webchick, jibran, amateescu, hussainweb: Implement autocomplete UI for the link widget

Issue #2417647 by Wim Leers, effulgentsia: Add leading slash to paths within 'user-path:' URIs, to allow 'user-path:' URIs to point to the <none> route

Issue #2418209 by chintan.vyas, lucastockmann: Replace user facing strings that use drupal.org as example of an external url

Issue #2416987 by YesCT, amateescu, webchick, Wim Leers, yched: Fix UI regression in the menu link form

Issue #2417837 by pwolanin, larowlan, dawehner, kgoel: Update menu link definitions when aliases change

Issue #2417793 by effulgentsia, Wim Leers, YesCT, yched, dawehner: Allow entity: URIs to be entered in link fields

Issue #2412509 by kgoel, pwolanin, Wim Leers, larowlan, effulgentsia, dawehner, xjm: Change LinkItem.uri to type 'uri' rather than 'string' and introduce user-path: scheme

Issue #2306407 by lauriii, penyaskito, mortendk, pakmanlh, Wim Leers, ypogue: Remove breadcrumb from page template

Issue #2235457 by dawehner, amateescu, hussainweb, Berdir, benjy, Wim Leers, lokapujya, RavindraSingh, Ryan Weal, jibran, Jalandhar: Use link field for shortcut entity

Issue #2411143 by dawehner, effulgentsia, amateescu, larowlan: Change LinkItem schema to store URIs rather than URLs/paths/routes

Issue #2384481 by rpayanm, daffie, tadityar, hussainweb, areke, claudiu.cristea: Make the class variables protected for NodeType

Issue #2396695 by hussainweb: Clean-up link module test members - ensure property definition and use of camelCase naming convention

Issue #2232477 by plach, yched, tstoeckler, amateescu: Fatal when adding new fields with NOT NULL constraints in a base table that contains existing entities

Issue #2233883 by benjy, hussainweb, ultimike: Link migration needs to convert source url into the appropriate route format for storage

Issue #2183983 by Gábor Hojtsy, vijaycs85, Berdir, Wim Leers, webflo, alexpott: Find hidden configuration schema issues

Issue #2084987 by andypost, Jalandhar: Remove usage of field_ui_default_value and recommend proper replacement

Issue #2386325 by Gábor Hojtsy: Recurring config schema problems with datetime and link field values in migrate tests

Issue #2379697 by Gábor Hojtsy: Fix configuration schema issues in block content (indirectly link and field test) modules

Issue #2378055 by Gábor Hojtsy: Reorganise config schema for entity_form_display / entity_view_display

Issue #2340785 by mpdonadio: Create proper test method for determining if text has been escaped properly.