Issue #3442766 by smustgrave, quietone, mikelutz, catch: Remove deprecated code from bootstrap and lib/Controller, lib/Config

Issue #2982949 by kim.pepper, Sam152, andypost, FatherShawn, elber, joachim, larowlan, alexpott, catch, DieterHolvoet, tim.plunkett: Introduce CallableResolver to help standardise the DX and error handling for callbacks across various subsystems

Issue #3328454 by xjm, Bhanu951, jidrone, smustgrave: Replace most strpos() !== FALSE or === FALSE with str_contains()

Issue #3259169 by longwave, daffie: [Symfony 6] Drupal\Core\Controller\ControllerResolver does not need to extend Symfony

Issue #3236243 by daffie, longwave, alexpott: [Symfony 6] Add "callable|false" type hint to methods overriding Symfony\Component\HttpKernel\Controller\ControllerResolverInterface::getController()

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

Issue #3104307 by Berdir, longwave, Gábor Hojtsy, Wim Leers, alexpott, andypost: Remove  BC layers in various Drupal\Core components

Issue #2830631 by alexpott, cilefen, yunke, andypost: Remove code that tries to use _raw_variables for route argument resolution as it does not work

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2912169 by alexpott, tobiberlin, Berdir, dawehner, grahamC: Inject the argument resolver into HttpKernel::__construct

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 #2572601 by attiks, alexpott, tatarbj: Fix 'Drupal.Classes.ClassCreateInstance' coding standard

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

Issue #2497697 by marvin_B8, Crell, cilefen, joshi.rohit100, dawehner: PSR-7 support for ControllerResolver

Issue #2421841 by neclimdul, tim.plunkett: Performance bug in ControllerResolver::getControllerFromDefinition()

Issue #2392787 by beejeebus, dawehner, alexpott: Move include statements from DrupalKernel::boot() into DrupalKernel::preHandle()

Issue #2281619 by dawehner, tim.plunkett: Convert most direct usages within module code of routing related request attributes to use RouteMatchInterface instead

Issue #2165475 by damiankloip, dawehner, martin107, tim.plunkett, jibran, xjm, Jalandhar: Provide a generic class resolver.

Issue #1289536 by ParisLiakos, RobLoach, Crell, larowlan, fgm, pounard, Pancho, dawehner, scor, tim.plunkett, alexpott, socketwench: Switch Watchdog to a PSR-3 logging framework.

Revert "Issue #1289536 by RobLoach, Crell, Pancho, pounard, socketwench, fgm, dawehner, scor, tim.plunkett, larowlan, ParisLiakos: Switch Watchdog to a PSR-3 logging framework."

This reverts commit ef250ba2.

Issue #1289536 by RobLoach, Crell, Pancho, pounard, socketwench, fgm, dawehner, scor, tim.plunkett, larowlan, ParisLiakos: Switch Watchdog to a PSR-3 logging framework.

Issue #2042739 by jhedstrom, bdone, dawehner, tim.plunkett: Convert system module's ControllerResolverTest to phpunit.

Issue #2057589 by smiletrl, tim.plunkett, alexpott, dawehner: Rename ControllerInterface to ContainerInjectionInterface.

Issue #2032535 by dawehner, katbailey, pwolanin, Crell: Resolve 'title/title callback' by adding a _title propery on the route and allow a title be part of the render array.

Issue #2031487 by fubhy, dawehner, pwolanin:  When replacing the upcasted values in the request attributes array, retain the original raw value too.

Issue #1998140 by dawehner, ParisLiakos, tim.plunkett: Remove backward compatible ControllerInterface.

Issue #1915774 by tim.plunkett, amateescu, Crell, dawehner: Decide whether core route controllers should generally/always be DIC services or not.