Issue #3379495 by quietone, xjm, smustgrave: Convert enable/disable to install/uninstall in hook_help()

Issue #3328443 by xjm, rpayanm, alexpott, catch, longwave: Replace most strpos() === 0 or !== 0 with str_starts_with()

Issue #2914785 by acbramley, jungle, Hardik_Patel_12, mrinalini9: Entities with external urls as a uri relationship can not be deleted when menu_link_content is installed

Issue #3084983 by plach, amateescu, catch, Berdir, xjm: Move all the code related to path aliases to a new (required) "path_alias" module

Issue #2336597 by amateescu, slashrsm, jibran, Wim Leers, saki007ster, Berdir, catch, plach, Charlie ChX Negyesi, dawehner, gabesullice: Convert path aliases to full featured entities

Issue #3047866 by mikelutz, Berdir, TR, alexpott, andypost, Satyanarayan Reddy: Remove usage of deprecated \Drupal::entityManager() in core

Issue #2731817 by mikelutz, ashishdalvi, Sonal.Sangale, dbt102, andypost, jhodgdon, martin107, roderik: Replace all calls to the deprecated Drupal::url() function in Core

Issue #2880152 by amateescu, blazey, plach, larowlan, vijaycs85: Convert custom menu links to be revisionable

Issue #2939692 by Leksat, blazey, larowlan: menu_link_content_entity_predelete deletes "collection", "add-form", etc. links

Issue #2350797 by pwolanin, amateescu, dawehner, dagmar: Orphaned menu links when nodes are deleted if menu_link_ui is not enabled

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 #2716685 by Mile23: Part 2: Fix several errors in the 'Drupal.Commenting.DocComment' coding standard

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

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

Issue #2473813 by FMB, joshi.rohit100, darol100, ifrik, jhodgdon, xjm: Update hook_help text for Custom Menu Link module

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

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 #2301239 by pwolanin, dawehner, Wim Leers, effulgentsia, joelpittet, larowlan, xjm, YesCT, kgoel, victoru, berdir, likin, and plach: MenuLinkNG part1 (no UI or conversions): plugins (static + MenuLinkContent) + MenuLinkManager + MenuTreeStorage.