Issue #3380107 by acbramley: optionExists throws exception with incorrect type if option doesn't exist

Issue #3379984 by kristiaanvandeneynde, bbrala, quietone: Refactor ResourceObjectNormalizationCacher to use VariationCache

Issue #2010368 by fjgarlin, Pancho, poker10, daffie: Installer can't create new database on PostgreSQL

Issue #2791693 by nginex, acbramley, oknate, guaneagler, jan kellermann, jonathan1055, jibran, ankithashetty, dpi, Jelle_S, FeyP, kattekrab, smustgrave, mpdonadio, quietone, AaronMcHale, rkoller, BlackBamboo, simohell, Jody Lynn, shaal, notmike: Remove sample date from date field error message and title attribute

Issue #3100826 by ilya.no, mwilbur, nikita_tt, smustgrave, quietone: AJAX pager doesn't work with exposed filter which has a default value

Issue #3382843 by shweta__sharma, Gauravvvv, smustgrave: Olivero: RSS feed block is not placed as per design on smaller screen

Issue #3311469 by Rajeshreeputra, Internetter, fjgarlin, skyredwang: Absolute path for oembed iframe

Issue #3364506 by Wim Leers, effulgentsia, catch, lauriii, borisson_, smustgrave, tim.plunkett, Dave Reid: Add optional validation constraint support to ConfigFormBase

Issue #2986962 by fjgarlin, ppseftogiannis, smustgrave, Sut3kh: BrowserTestBase::drupalGet() does not appear to be handling base url properly

Issue #3355787 by joachim, smustgrave, Mile23: Identify which browser tests should be running the language settings form and add a @covers to document it

Issue #3358049 by narendraR, lauriii, srishtiiee, Utkarsh_33, Wim Leers, tim.plunkett, tedbow, bnjmnm, smustgrave, Berdir, amateescu, larowlan: Save FieldStorageConfig at the same time as FieldConfig

Issue #3382802 by srishtiiee, kunal.sachdev, marcoliver, ckrina: Disable the 'Remove' button if there is a single row in the allowed values storage setting of the list fields

Issue #3344789 by acbramley, Berdir, fenstrat, benjifisher, borisson_: Return early in EntityPermissionsForm::access if the user does not have "administer permissions"

Issue #3345938 by mondrake, longwave, daffie, smustgrave: Deprecate support for unused \PDO::FETCH_* modes

Issue #3110371 by omkar.podey, idebr, gabesullice, joseph.olstad, fengtan, el7cosmos, lauriii, Abhijith S, catch, smustgrave: When adding a new menu link, restrict the available parents to the current menu

Issue #3371005 by omkar.podey, lauriii, hooroomoo, tim.plunkett, Rajeshreeputra, smustgrave, catch, Wim Leers, Utkarsh_33: Toolbar doesn't indicate active menu trail for pages not included in Toolbar

Issue #2514960 by Aki Tendo, catch: \Drupal\Core\Theme\Registry->build() does not always return \Drupal\Core\Utility\ThemeRegistry

Issue #2492171 by dww, alexpott, sokru, jungle, hgoto, Pancho, collinhaines, kirkkala, chr.fritsch, borisson_, seanB, pingwin4eg, SKAUGHT, andypost, Berdir: Provide options to sanitize filenames (transliterate, lowercase, replace whitespace, etc)

Issue #3372316 by hooroomoo, kostyashupenko, ckrina, Utkarsh_33, srishtiiee: Adjust design implementation for the field types

Issue #3383230 by hooroomoo: TestSiteApplicationTest::testInstallWithNonExistingFile() fails when another test creates database tables during the test run

Issue #3382447 by gapple, catch: Libraries using jquery_ui assets directly shouldn't duplicate files

Issue #3383513 by Spokje, smustgrave: Use type-hinting on deprecation warnings for loadRevision() introduced by mglaman/phpstan-drupal:1.2.0

Issue #296693 by tedbow, omkar.podey, sun, ilya.no, JeroenT, tim.plunkett, catch, hooroomoo, ridhimaabrol24, boombatower, paulocs, Damien Tournoud, Xano, pwolanin, chx, webchick, stella, quietone, Bojhan, smustgrave, lauriii, benjifisher, gabesullice: Restrict access to empty top level administration pages

Issue #3383591 by Spokje: Use type-hinting on deprecation warnings for deleteRevision() introduced by mglaman/phpstan-drupal:1.2.0

Issue #2944421 by sathish.redcrackle, ressa, Lendude, ankithashetty, udayraj123, smustgrave, DuaelFr, JeroenT, alexpott: Double exposed filter field when trying to use "q" as identifier

Issue #3383548 by Spokje, mondrake: Deprecate Psr7RequestValueResolver::supports and RouteMatchValueResolver::supports

Issue #3383339 by Spokje: Replace implementing deprecated interface Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface with ValueResolverInterface

Issue #3383316 by Spokje: Replace deprecated getComposer() of class Composer\Command\BaseCommand in ComposerScaffoldCommand

Issue #3383215 by mglaman, Spokje, bbrala: Rearrange interfaces TranslatableRevisionableStorageInterface extends to fix deprecation warnings

Issue #2327883 by phenaproxima, lauriii, Wim Leers, yched, amateescu, borisson_, Berdir, larowlan, jibran: Field [storage] config have incomplete settings until they are saved

Issue #3327294 by poker10, alexpott: Username enumeration via one time login route when logged in as another user

Issue #3383279 by Spokje, bbrala: Bump mglaman/phpstan-drupal to latest to make daily "updated deps" QA run pass again

Issue #3355381 by catch, drewcking, stewest, lauriii, bnjmnm, lmoeni, fngatia, kevinquillen, Danny Englander, Ambient.Impact, gapple, manikandank03, lucasvm: Investigate better ways to add anti-flicker JS

Issue #1977276 by Lendude, tim.plunkett, jofitz, dawehner, catch, smustgrave: Get \Drupal\views\Plugin\views\display\Feed::attachTo in line with \Drupal\views\Plugin\views\display\DisplayPluginInterface::attachTo