Issue #2509300 by dawehner, catch, larowlan: Path alias UI allows node/1 and /node/1 as system path then fatals

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2511472 by Wim Leers, Fabianx, dawehner: Refactor all usages of drupal_render()/Renderer::render() that break #2450993

Issue #2195083 by Les Lim, ParisLiakos, Xano, gaurav_varshney, ravi.khetri, fago, jain_deepak: Add a dedicated @Constraint annotation class

Issue #2489664 by sumitmadan, davidhernandez, Manjit.Singh, Cottser: Remove unnecessary markup from core templates, a.k.a. divitis

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #2030637 by yched, Mile23, daffie, Alumei, tidrif, chertzog, Berdir, swentel, ofry: Expand FieldConfig/BaseFieldOverride/FieldConfigBase with methods

Issue #2470960 by Igor Kandyba, Reno Greenleaf, ifrik, jhodgdon: Update hook_help text for Link module

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