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 #2416955 by dawehner, YesCT, amateescu, jibran, yched, anavarre: Convert MenuLinkContent to use a link widget

Issue #2406749 by dawehner, YesCT, amateescu, hussainweb, kim.pepper, RavindraSingh, pwolanin, Wim Leers, Gábor Hojtsy, yched, jibran: Use a link field for custom menu link

Issue #2364157 by mpdonadio, dawehner, martin107, Berdir, pcambra, naveenvalecha, tim.plunkett: Replace most existing _url calls with Url objects

Issue #2395395 by alexpott, effulgentsia, Gábor Hojtsy: TestBase lacks a config method to be used consistently in tests

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

Issue #2384487 by rpayanm, daffie, Sharique, areke: Make the class variables protected for FilterFormat

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

Issue #2264041 by pwolanin, dawehner, cilefen, chx: Fixed Add a test to ensure title callbacks are not vulnerable to XSS.

Issue #2343661 by larowlan, tim.plunkett | xjm: Rename l() to _l() and url() to _url(), and document replacements.

Issue #1869476 by rteijeiro, LewisNyman, lauriii, Wim Leers, mdrummond, swentel, hosef, cbiggins, larowlan, sun, EclipseGc, Gábor Hojtsy: Convert global menus (primary links, secondary links) into blocks.

Issue #2324121 by Berdir, slashrsm, alexpott: Fixed NodeType's settings array was meant to be able to store information from mutliple modules.

Issue #2295469 by Cottser, dawehner | effulgentsia: Add support for static permission definitions with *.permissions.yml.

Issue #2305707 by cilefen, pwolanin, dawehner, LinL: MenuLinkContent disabled field should be renamed to enabled and use positive logic.

Issue #2313811 by undertext | andyceo: Fixed Inconsistent interface location: core/modules/menu_link_content/src/Entity/MenuLinkContentInterface.php.

Issue #2301317 by pwolanin, dawehner, Wim Leers, effulgentsia, YesCT, xjm, alexpott: MenuLinkNG part4: Conversion.

Revert "Issue #2301317 by pwolanin, effulgentsia, Wim Leers, dawehner, alexpott: MenuLinkNG part4: Conversion."

This reverts commit fd2db9cd.

Issue #2301317 by pwolanin, effulgentsia, Wim Leers, dawehner, alexpott: MenuLinkNG part4: Conversion.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2089331 by grom358 | thedavidmeister: [meta] Replace calls to check_plain() with Drupal\Component\Utility\String::checkPlain().

Issue #2226903 by pwolanin, dawehner, tvn, martin107, jessebeach: Step 1: Move static menu links to yml files.

Issue #2055371 by ianthomas_uk, Xano, InternetDevels, alexpott: Replace all module_invoke_all() deprecated function calls in OO code.

Issue #2047633 by pwolanin, dawehner, kim.pepper, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.

Revert "Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit."

This reverts commit 531fd593.

Issue #2047633 by dawehner, pwolanin, Xano, amateescu, tim.plunkett: Move definition of menu links to hook_menu_link_defaults(), decouple key name from path, and make 'parent' explicit.