Issue #2968519 by alexpott, amateescu, martin107: The entity.query service is essentially deprecated because it relies on \Drupal\Core\Entity\Query\QueryFactory which is

Issue #2822470 by Kazanir, Yogesh Pawar, markcarver, joelpittet, dawehner, xjm, larowlan: Unified cache key & template class handling for Twig templates

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

Issue #2935255 by Jo Fitzgerald, kim.pepper, voleger, alexpott, martin107, jibran, catch: Remove all usages of drupal_get_message and drupal_set_message in core lib

Issue #2802403 by _Archy_, Berdir, rjay, catch, Tachion, jacktonkin, oriol_e9g, willwh, tameeshb, dawehner, dhansen, bmcclure, DeFr, david.gil, gagarine, plach: Combination of language negotiation and path aliasing can cause a corrupted route cache, 404s

Issue #2670730 by chr.fritsch, robpowell, alexpott, tstoeckler, Berdir, bojanz, dawehner: Provide a delete action for each content entity type

Issue #2208429 by dawehner, almaudoh, alexpott, jibran, Xano, donquixote, amitgoyal, bircher, stefan.r, Mile23, alvar0hurtad0, Berdir, andypost, larowlan: Extension System, Part III: ExtensionList, ModuleExtensionList and ProfileExtensionList

Issue #2938895 by plach, Wim Leers, hchonov, timmillwood: Make EntityConverter load the latest translation-affecting revision for translated entities

Issue #2858482 by Wim Leers, dawehner, benjy, larowlan, tedbow, borisson_: Simplify REST routing: disallow requesting POST/PATCH in any format, make consistent

Issue #2930715 by alexpott, dawehner: Recursive rebuild caused by installing admin_toolbar_tools module

Issue #2760167 by kim.pepper, markcarver, jibran, dawehner, znerol, Wim Leers, larowlan, xjm, tim.plunkett: Add \Drupal\Core\Messenger\Messenger

Revert "Issue #2850973 by alexpott, kferencz91, jonathan1055, dawehner: ConfigEntityInterface::onDependencyRemoval() called with incorrect dependency list"

This reverts commit f9cde09b.

Issue #2850973 by alexpott, kferencz91, jonathan1055, dawehner: ConfigEntityInterface::onDependencyRemoval() called with incorrect dependency list

Issue #2282119 by amateescu, jibran, Jo Fitzgerald, yched, plach, timmillwood, fago, Sam152, larowlan: Make the Entity Field API handle field purging

Issue #2784443 by tedbow, Wim Leers, Cottser, tim.plunkett, droplet, drpal, nod_, lauriii: Move off-canvas functionality from Settings tray module into drupal.dialog.ajax library so that other modules can use it

Issue #2883680 by dawehner, Wim Leers, tim.plunkett, larowlan: Force all route filters and route enhancers to be non-lazy

Issue #2903551 by fazni, chenderson, valthebald, dawehner, joachim: Replace REQUEST_TIME with time service in cron service

Issue #2526150 by catch, Wim Leers, Denchev, hussainweb, dawehner, mpdonadio, borisson_, fgm, olli, alexpott, vaplas, flocondetoile, Berdir, Fabianx, cilefen: Database cache bins allow unlimited growth: cache DB tables of gigabytes!

Issue #2278383 by dawehner, Xano, kim.pepper, twistor, jibran, Jo Fitzgerald, joelpittet, pritish.kumar, Fabianx, Crell, larowlan, alexpott, catch, Wim Leers: Create an injectible service for drupal_set_message()

Revert "Issue #2526150 by catch, Wim Leers, Denchev, hussainweb, dawehner, mpdonadio, borisson_, fgm, olli, alexpott, flocondetoile, Berdir, Fabianx: Database cache bins allow unlimited growth: cache DB tables of gigabytes!"

This reverts commit 1a71b1a9.

Issue #2526150 by catch, Wim Leers, Denchev, hussainweb, dawehner, mpdonadio, borisson_, fgm, olli, alexpott, flocondetoile, Berdir, Fabianx: Database cache bins allow unlimited growth: cache DB tables of gigabytes!

Issue #2873867 by kwhite, Calystod: Add Change record to @deprecated for config.storage.staging in core.services.yml

Issue #2472337 by damiankloip, alexpott, Jo Fitzgerald, dawehner, bojanz, Wim Leers: Provide a lazy alternative to service collectors which just detects service IDs

Issue #2293697 by Wim Leers, dawehner, Jo Fitzgerald, clemens.tolboom, vedpareek, tedbow, Munavijayalakshmi, hchonov, alexpott, effulgentsia, tstoeckler, Crell, klausi, EclipseGc: EntityResource POST routes all use the confusing default: use entity types' https://www.drupal.org/link-relations/create link template if available

Issue #2835626 by 20th, vijaycs85, himanshu-dixit, naveenvalecha, Jo Fitzgerald, Wim Leers, xjm, dawehner, catch, alexpott: Rename & document Drupal\Core\EventSubscriber\AcceptNegotiation406 KernelEvents::VIEW event subscriber

Issue #2850034 by hampercm, dawehner, Wim Leers: CORS allow-origin '*' not possible because of cached headers

Issue #2853300 by Wim Leers: Standardize fatal error/exception handling: backtrace for all formats, not just HTML

Issue #1928868 by dawehner, fago, Gábor Hojtsy, Jose Reyero, tstoeckler, Wim Leers, Berdir: Typed config incorrectly implements Typed Data interfaces

Issue #2389335 by Berdir, naveenvalecha, claudiu.cristea, almaudoh, joachim, jibran: Deprecate entity.query service and replace with using the entity storage's getQuery() method

Issue #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable

Issue #2113345 by dawehner, tedbow, Wim Leers, kristiaanvandeneynde, Crell, Grayside, klausi: Define a mechanism for custom link relationships

Issue #2834580 by Berdir: Move locale.translation_status state key to a separate key/value collection

Issue #2569119 by pwolanin, marvin_B8, jhedstrom, csheltonlcm, alexpott, dawehner, Fabianx, catch:  Use Crypt::hashBase64(), not hash('crc32b') or sha1 for placeholder tokens

Issue #2833469 by Wim Leers: Remove 'exception.custom_page_json' service: unused, dead, even with wrong arguments!

Revert "Issue #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable"

This reverts commit 480eb82c.

Issue #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable

Issue #2829588 by damiankloip, Fabianx, markcarver, dawehner, catch: Provide a "url.path.is_front" cache context to allow contributed themes to move global "is_front" variable back

Revert "Issue #2808063 by vaplas, martin107, Chi, Wim Leers, catch, dawehner, alexpott: LibraryDiscoveryParser::buildByExtension() doesn't validate that extensions exist"

This reverts commit a68c44f4.

Issue #2808063 by vaplas, martin107, Chi, Wim Leers, catch, dawehner, alexpott: LibraryDiscoveryParser::buildByExtension() doesn't validate that extensions exist