Issue #3106216 by Spokje, longwave, alexpott, apaderno, Hardik_Patel_12, daffie: Remove unused variables from core

Issue #3222769 by bbrala, alexpott, longwave, Matroskeen: [November 8, 2021] Replace all list (array destructuring) assignment to the array syntax

Issue #3183673 by jonathan1055, longwave: Fix 'Drupal.Commenting.DocComment.ShortFullStop' coding standard - part 1 auto-fixes

Issue #2624770 by 20th, Jo Fitzgerald, claudiu.cristea, Berdir, mohit1604, amateescu, Sutharsan, derheap, Saviktor, Mile23, dawehner, kristiaanvandeneynde, alexpott: Use more specific entity.manager services in core.services.yml

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 #2783393 by Mile23: Fix 'Drupal.Commenting.FunctionComment.IncorrectParamVarName' coding standard

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

Issue #1805054 by Wim Leers, Gábor Hojtsy, effulgentsia, jibran, jessebeach, catch, dawehner, Fabianx, sun, larowlan: Cache localized, access filtered, URL resolved, and rendered menu trees

Issue #2325269 by Gábor Hojtsy, Arla: Test and fix views in test_views directories against their configuration schema

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