Issue #2848812 by harsha012, gaurav.kapoor, Yogesh Pawar, Sharique, techtud, JayKandari, alexpott: Replace all calls to db_set_active, which is deprecated

Issue #2941062 by plach, Wim Leers: EntityUntranslatableFieldsConstraintValidator always allows changes in default revisions

SA-CORE-2018-001 by cashwilliams, catch, cilefen, droplet, dawehner, bonus, agentrickard, David_Rothstein, Chi, Gábor Hojtsy, Heine, Wim Leers, Schnitzel, drpal, effulgentsia, tedbow, tim.plunkett, tstoeckler, xjm, will_c, stefan.r, samuel.mortenson, larowlan, greggles, logaritmisk, mpdonadio, pwolanin, plach

Issue #2885583 by drpal, keeganstreet, Dinesh18, naiduharish, sim_1, idebr, larowlan, Gábor Hojtsy, nick_schuch, droplet: Close button in tour module lacks descriptive text

Issue #2936463 by jigarius, ragasirtahk, Jo Fitzgerald, zuhair_ak, heddn, larowlan, quietone: Throw exception when "callable" plugin is called with undefined on invalid callback

Issue #2915175 by vaplas, Phonoman, Lendude: Duplicating a Page to Block after changing the display id and then saving the view destroys the Page

Issue #2907169 by Mile23, Jo Fitzgerald: Break KernelTestBase dependency on Simpletest, deprecate stub BC traits

Issue #2934960 by marcoscano, mycw1991, seanB, evankay, chr.fritsch, andrewmacpherson, jefuri, Jeroen Witte: Clean up icons that ship with Media

Issue #2938643 by markconroy, andrewmacpherson, David_Rothstein, yoroy: Umami Banner Block does not have accessible text alternative at wide viewport

Issue #2938194 by markconroy, andrewmacpherson: Focus styles should meet accessibility guidelines in Umami theme

Issue #2941647 by markconroy, JayKandari, cehfisher, smaz, andrewmacpherson: Link hover styles unintentionally applied to administration toolbar

Issue #2938800 by markconroy, David_Rothstein, ckrina, smaz, Eli-T, cehfisher, larowlan: Finalize wording for Toolbar warning message

This reverts commit 15393165.

Issue #2661542 by Mile23, Mixologic: Isolate Drupal\Tests\Component\Plugin\DefaultFactoryTest from core test module

Issue #2942590 by tim.plunkett: Layout Builder defaults should work regardless of the ability to provide overrides

Issue #2939925 by jibran, tim.plunkett, yo30: Add a getPluginDependencies() method to \Drupal\Core\Plugin\PluginDependencyTrait

Issue #2713073 by harsha012, Mile23, dawehner, webflo, jibran: Add required php extensions to composer.json

Issue #2933620 by masipila, mpdonadio, heddn, quietone, phenaproxima, maxocub, kay_v, cilefen: Polish migrate.api.php API documentation

Issue #2711099 by heddn, Jo Fitzgerald, edysmp, edgewl2, alexpott, Charlotte17, mikeryan, masipila, quietone, maxocub, phenaproxima: Categorize migrations according to their type

Issue #2942388 by alexpott, quietone: Ensure d7_url_alias migration works for paths without a slashes

Issue #2943860 by Mixologic, alexpott: Add a LICENSE.txt to Serialization and Transliteration components

Issue #2944215 by jeqq, alexpott: Aliases generated by PathItem::generateSampleValue() should start with a slash

Revert "Issue #2918761 by quiett pushone, chiranjeeb2410, phenaproxima, maxocub, heddn, alexpott: Break up MigrateUpgradeForm into smaller forms"

This reverts commit da3818ab.

Issue #2918761 by quietone, chiranjeeb2410, phenaproxima, maxocub, heddn, alexpott: Break up MigrateUpgradeForm into smaller forms

Issue #2784015 by amateescu, jlbellido, Gogowitsch, krknth, ibustos: Widget validation crashes on ItemList violations for widgets with a custom errorElement() implementation

Issue #2942497 by scott_euser, timmillwood, malcomio, Berdir: Using content moderation block in preview mode causes EntityStorageException

Issue #2941106 by droplet, idebr: Site email address in the install profile form is no longer copied to the user email address

Issue #2817833 by Jo Fitzgerald, chiranjeeb2410, ckaotik, vaplas, svendecabooter, aleevas, bhanuprakashnani, heddn, quietone, mikeryan, alexpott, catch: Delay sql map table creation

Issue #2939988 by bn_code, xjm, Sam152: Remove content moderation exclusion from StableLibraryOverrideTest

Issue #2933099 by Sam152, sathish.redcrackle, amaisano, Berdir: "Default Revision cannot be deleted." But it's not the default revision