Issue #2684577 by mohit_aghera, tim-diels, pooja saraah, gapple, smustgrave, quietone: Entity operations for menu links are hardcoded in edit menu form

Issue #3222251 by bbrala, longwave: [November 8, 2021] Replace all isset constructs with the null coalescing operator

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

Issue #2503755 by Wim Leers, bobrov1989, webchick, dcrocks, andypost, emma.maria, catch, Bojhan, dawehner, Gábor Hojtsy, alexpott, tstoeckler, yoroy: Switch from user login block to login menu link and search block in standard profile

Revert "Issue #2503755 by Wim Leers, bobrov1989, webchick, dcrocks, andypost, emma.maria, catch, dawehner, Bojhan, tstoeckler, alexpott, yoroy: Switch from user login block to login menu link and search block in standard profile"

This reverts commit 1cdbe865.

Issue #2503755 by Wim Leers, bobrov1989, webchick, dcrocks, andypost, emma.maria, catch, dawehner, Bojhan, tstoeckler, alexpott, yoroy: Switch from user login block to login menu link and search block in standard profile

Issue #2479767 by Wim Leers: Fix MenuLinkInterface::isCacheable(): remove it in favor of implementing CacheableDependencyInterface

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

Issue #2343759 by pwolanin, larowlan, dawehner, tim.plunkett, effulgentsia, xjm, Wim Leers: Provide an API function to replace url()/l() for external urls.

Issue #2250315 by dawehner, pwolanin: Fixed Regression: Bring back node access optimization to menu trees.

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

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 #2301273 by pwolanin, dawehner, Wim Leers, effulgentsia, joelpittet, larowlan, YesCT, kgoel: MenuLinkNG part2 (no UI or conversions): MenuLinkTree API and unit tests.

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.