Issue #2926068 by almaudoh, andypost, voleger, claudiu.cristea, Oleksiy, YurkinPark, yo30, alexpott, dawehner, Berdir: Deprecate system_rebuild_module_data() and remove usages in core

Issue #3055040 by mikelutz, alexpott: Roll AbstractEventDispatcherTest into ContainerAwareEventDispatcherTest

Issue #2939356 by Lendude, mediabounds, Manuel Garcia, validoll, justclint, hctom: Fatal error during import translaton of workflows.workflow.editorial.yml config

Issue #3048196 by tetranz, Tom Konda, Berdir: A field title isn't translated if "Account administration pages" plugin is enabled

Issue #2877994 by Lendude, Krzysztof Domański, mahmoud-zayed, joseph.olstad, caspervoogt, gngn, timomueller, cri2mars, pavlosdan, aleksip, johndevman, paper boy, patrickroma, Bessonweb, alexpott, tibbsa, ConradFlashback, larowlan, DuneBL, jess_m, arakwar: Entity Links fields does not have translation support

Issue #2947946 by voleger, andypost, mondrake: Create change record for all deprecated db_* functions

Issue #3034072 by kim.pepper, Berdir, alexpott, jibran, larowlan, claudiu.cristea: Move file uri/scheme functions from file.inc and FileSystem to StreamWrapperManager

Issue #3057370 by Wim Leers, seanB: MediaLibraryState::fromRequest() may result in invalid MediaLibraryState::create() call

Issue #2927012 by deviantintegral, alexpott, arunkumark: _drupal_log_error() returns a 0 exit code on errors

Issue #3043907 by alexpott, dawehner, starlightE, cilefen: DatabaseCacheBackend::ensureBinExists() does not properly handle exceptions

Issue #3023220 by tim.plunkett, andyg5000, Berdir, phenaproxima, bkosborne: Performance: Prevent extra Layout Builder code from running when rendering fields in isolation (Views results, FieldBlock, etc)

Issue #3046007 by Sam152, alexpott, amateescu, tim.plunkett: In some circumstances the override field is not cleared from the field map when a bundle is deleted, resulting in a fatal error in layout_builder_post_update_make_layout_untranslatable

Issue #3054317 by iuana, yogeshmpawar, Berdir: Move FieldLayoutEntityFormDisplay::getDefaultRegion() and FieldLayoutEntityViewDisplay::getDefaultRegion() to FieldLayoutEntityDisplayTrait

Issue #2969965 by Lendude, Mile23, heddn, Jo Fitzgerald, jmikii, Berdir, alexpott: Fix Drupal\system\Tests\Update\DbUpdatesTrait is deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0

Issue #2886622 by Berdir, martin107, Mile23, tim.plunkett, mikelutz, jonathan1055: Deprecate all EntityManager methods with E_USER_DEPRECATED

Issue #2509652 by willzyx, TR, Berdir: Remove unused and deprecated entity.manager service injection in CommentTypeDeleteForm

Issue #2349725 by AdamPS, alexpott, hexblot, jonathanshaw, Berdir, larowlan, andypost: Core Mail class prints non-overridable errors on the page

Issue #3051908 by Roensby, gabesullice: Documentation in json.api.php describes wrong query parameter

Issue #2924860 by Kng, AdamPS: “Uncaught exception” page contains HTML but has content-type text/plain

Issue #3045211 by nlisgo, yogeshmpawar, Nebel54, heddn, quietone: Prevent link field migration from creating invalid link attributes

Issue #3055474 by Gribnif, Berdir: template_preprocess_file_link will not work with a stdClass object, though it tries to

Issue #2698057 by gambry, ryan.gibson, idebr, Mac_Weber, angelamnr, Martijn de Wit, chx, andypost, alexpott, Wim Leers, Jacine, dawehner, s_leu, Sam152: Add support for <nolink> and <none> to the LinkWidget UI

Issue #3041983 by yogeshmpawar, idebr, pifagor, klausi: Fix unused imports and update Coder to 8.3.4

Issue #2875394 by voleger, erozqba, Berdir, mondrake: Replace all calls to db_query, which is deprecated

Issue #3000931 by mondrake, voleger, andypost, longwave, alexpott, git commit -m 'Issue #3000931 by mondrake, voleger, andypost, longwave, alexpott: Connection::query() does not support '\''targe: Connection::query() does not support 'target' option

Issue #3053827 by gabesullice: Leaked cache metadata detected when using JSON:API to GET a threaded comment when RDF module is installed

Issue #3035980 by jhedstrom: Provide a better error when a NULL is passed to EntityStorageBase::load()