Issue #2856362 by bpresles, Surian, WamFlying: Drupal install fail on Percona XtraDB Cluster 5.7 (pxc_strict_mode enforced)

Issue #2968452 by amateescu, timmillwood, jeqq, alexpott, Fabianx: Add a way to execute a function in the context of a specific workspace

Issue #2961688 by alexpott, martin107, longwave, Berdir, larowlan: Fix "Using UTF-8 route patterns without setting the "utf8" option" deprecation

Issue #3000573 by yongt9412, scott_euser, Sam152, idflood, Berdir, amateescu: After enabling Workflows and Content Moderation there is a fatal error when trying to edit content translation

Issue #2982149 by scuba_fly, vijaycs85, Lendude: Routing: Convert system functional tests to phpunit

Issue #2809529 by Lendude, martin107: Convert AJAX part of \Drupal\system\Tests\Ajax\ElementValidationTest::testAjaxElementValidation to JavascriptTestBase

Issue #2986735 by phenaproxima, Berdir, tim.plunkett, MegaChriz:  Drupal\Core\Plugin\Context\Context needs DependencySerializationTrait

Issue #2982183 by tim.plunkett, phenaproxima, Berdir, Wim Leers, agentrickard: Conflict between TypedDataManager and TypedConfigManager in ConfigEntityAdapter

Issue #3008740 by mikelutz, tstoeckler: ContentTranslationManager::setEnabled no longer clears the bundle info cache when changing a bundle's translation setting

Issue #3005170 by mikelutz, quietone, maxocub, larowlan: Add @trigger_error for deprecated (Drupal\migrate\Plugin\Migration::get()

Issue #2886740 by kiamlaluno: user_schema() reports uid as primary key for the user_data table when it's just part of the primary key

Issue #2989627 by maxocub, quietone, masipila, phenaproxima, Gábor Hojtsy: d7_node_entity_translation migration is in the wrong module and is missing some mappings

(cherry picked from commit 09021c59)

Issue #2943899 by Sam152, amateescu, tstoeckler: Moderation state field cannot be updated via REST, because special handling in ModerationStateFieldItemList

Issue #2992817 by RoSk0, johndevman, phenaproxima, tim.plunkett, yanniboi, alexpott: Layout builder cron errors when no cleanup required

Issue #3004037 by jsacksick: ContentTranslationController::overview() should not construct URLs manually

Issue #3001749 by quietone, Jo Fitzgerald, heddn, masipila, Gábor Hojtsy: Migrate D7 i18n custom blocks

Issue #3004428 by mikelutz, alexpott, Mile23: Remove references to i18nVariable, CommentType, CommentVariable and CommentVariablePerCommentType from the global deprecation listener list

Issue #2897408 by cburschka, gapple, xjm, effulgentsia: Remove IE9 support from CssCollectionRenderer and provide it in contrib instead

Issue #2965786 by svenryen, Gábor Hojtsy: Translation of "Checked" as used on the Status page needs context

Issue #3002941 by tim.plunkett, tedbow: New enabled View modes for bundle have duplicate fields in layout

Issue #3001979 by alexpott: \Drupal\Core\Config\FileStorage::getAllCollectionNames() should work when the directory does not exist

Issue #2707879 by hctom, Sam152, grahl, reekris, casey, gngn, Noemi, dawehner, jherencia: Contextual Links do not respect pathPrefix

Issue #3004038 by jsacksick, tstoeckler: ContentTranslationRouteSubscriber should not construct its own URLs

Issue #3001309 by alexpott, Krzysztof Domański: Replace usages of UrlGeneratorTrait in non-api classes

Issue #2896215 by tim.plunkett, borisson_, Anybody, tacituseu: Formatter settings lost when moving fields between regions in 'Manage display'

Issue #2961114 by quietone, heddn, Gábor Hojtsy, maxocub, masipila: Migrate D6 i18n CCK field option translations