Issue #2940899 by plach, Wim Leers, hchonov: Regression: _entity_form routes should not get load_latest_revision_flag by default: changes default behavior (= regression) while only Content Moderation needs it

Issue #2943035 by tedbow, xjm, tim.plunkett: hook_field_widget_multivalue_form_alter and hook_field_widget_multivalue_WIDGET_TYPE_alter are not invoked for single widget that handle multiple values

Issue #2939026 by tstoeckler: Installer does not fix the database connection after creating the database on MySQL

Issue #2936511 by hchonov, Berdir, plach, Wim Leers, catch, amateescu, sdewitt: ContentEntityType::getRevisionMetadataKeys() never considers the BC logic because of the new "revision_default" key

Issue #2940201 by xjm, amateescu, benjifisher, tedbow, tim.plunkett, Berdir: hook_field_widget_form_alter() can no longer affect the whole widget for multi-value fields

Issue #2938185 by tedbow, JayKandari, navneet0693, acbramley, Eli-T, larowlan, webchick, markconroy, andrewmacpherson, David_Rothstein, smaz, ckrina: When installing Umami, only show warning if 'Demo Umami' radio button is selected (and ensure that it is obvious that warning message only applies to the Umami profile)

Issue #2939208 by alexpott, tim.plunkett: Services registered with ContainerBuilder::setDefinition() are removed from container causing a BC break

Issue #2941457 by agentrickard, tim.plunkett, hbensalem: EntityAdapter::getIterator requires undocumented methods

Issue #2937945 by yo30, kim.pepper, dawehner, voleger, larowlan: Add messenger to ControllerBase and FormBase

Issue #2936714 by gabesullice, Wim Leers, amateescu, Sam152, Berdir: Entity type definitions cannot be set as 'internal'

Issue #2857857 by vegantriathlete, Jo Fitzgerald, snehi, plach, xjm, Skabbkladden: Check use of "it's" in core to ensure proper use

Issue #2940050 by Mohit Malik, kiamlaluno: Fix the grammar for the comment describing TranslatableInterface::hasTranslation()

Issue #2940051 by Mohit Malik, kiamlaluno: Fix the punctuation in the comment describing what ContentEntityBase::isTranslatable() does

Issue #2797639 by jzavrl, slashrsm, yobottehg, tassilogroeper, Yogesh Pawar, Berdir: For multi language private files FileDownloadController is used for the ImageStyle instead of ImageStyleDownloadController

Issue #2939724 by ryanhayes, joachim, Samvel, andrewmacpherson, sacha@wellborn.co.uk, Adam_Moulsdale, rachel_norfolk: wrong variable name in sample code

(cherry picked from commit 441f198b)

Issue #2939795 by plach, Wim Leers: Multilingual logic is not applied when a new revision translation is being added

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

Issue #2938315 by plach: Move revision-related methods from ContentEntityInterface to RevisionableInterface

Issue #2926412 by Wim Leers: Follow-up for #2883680: deprecation message indicates the wrong deprecation introduction version

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 #2936725 by gabesullice, Wim Leers, dawehner, Berdir: EntityDataDefinition::create() does not respect derived entity definitions

Issue #2936253 by gabesullice: Clarify usage of AccountProxyInterface: recommend AccountInterface for most use cases

Issue #2872355 by sarguna raj M, chiranjeeb2410, joachim: expand and clarify docs for DefaultPluginManager::alterInfo()

Issue #2878556 by plach, matsbla, vijaycs85, Gábor Hojtsy, catch, gabesullice, effulgentsia, hchonov, hass, amateescu, xjm: Ensure that changes to untranslatable fields affect only one translation in pending revisions

Issue #2927746 by alexpott, catch, slasher13, mpdonadio, martin107, RoSk0, jibran, larowlan, pounard, Mile23, Jo Fitzgerald, deviantintegral, pritish.kumar: Update Symfony components to 3.4.*

Issue #2908952 by sahil432, martin107: drupal_get_complete_schema() and drupal_get_schema() are not completely removed

(cherry picked from commit 02af9bc3)

Issue #2936793 by tim.plunkett, tstoeckler, EclipseGc: EntityReferenceItem::generateSampleValue() should create a sample entity if a referenceable entity is not found

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

Issue #2885469 by Wim Leers, amateescu, timmillwood, alexpott, tstoeckler, xjm, remram, Berdir, dawehner, larowlan, samuel.mortenson: Regression: manually setting the ID field for newly-created content entities is not possible anymore (public follow-up to SA-2017-002)

Issue #2891215 by plach, timmillwood, hchonov, amateescu, catch, gabesullice: Add a way to track whether a revision was default when originally created

Issue #2924724 by plach, hchonov, timmillwood, Gábor Hojtsy, amateescu, gabesullice, catch: Add an API to create a new revision correctly handling multilingual pending revisions