Issue #1489692 by Liam Morland, pfrenssen, YesCT, geekinpink, sudishth, josmera01, David_Rothstein: Incorrect handling of file upload limit exceeded - file widget disappears

Issue #2914938 by timmillwood, RajabNatshah, xjm, Manuel Garcia, amateescu, Wim Leers: Preview of content - Notice: Undefined offset: 0 in _quickedit_entity_is_latest_revision() (line 196 of core/modules/quickedit/quickedit.module)

Issue #2928846 by alexpott, Berdir: [PHP 7.2] count() parameter must be an array or an object that implements Countable

Issue #2760167 by kim.pepper, markcarver, jibran, dawehner, znerol, Wim Leers, larowlan, xjm, tim.plunkett: Add \Drupal\Core\Messenger\Messenger

Issue #2876085 by heddn, maxocub, phenaproxima, Jo Fitzgerald, vasi, quietone, yoroy, masipila, larowlan, neclimdul, krystalcode, catch: Before upgrading, audit for potential ID conflicts

Issue #2928702 by Wim Leers, borisson_, tedbow: Make EntityResourceTestBase's field_rest_test_multivalue test field less invasive: omit it from normalizations

Issue #2880445 by pjcdawkins, japerry, gargsuchi, q0rban: Config sync should not throw a warning when not being writable

Issue #2928522 by yo30, dawehner: \Drupal\FunctionalJavascriptTests\WebDriverWebAssert misses some deprecations

Issue #2928778 by plach: Exception when trying to save a new revision after manually setting the original revision ID

Issue #2929464 by tedbow, mpdonadio: Tests under "core/modules/ckeditor/tests/modules/src/Kernel" are in the wrong folder and do not get tested

Issue #2627512 by gambry, jhedstrom, mpdonadio, Jo Fitzgerald, jibran, tedbow, bkosborne, alexpott, vprocessor, xjm: Datetime Views plugins don't support timezones

Issue #2930197 by mondrake, amateescu: EntityDefinitionUpdateTest fails with contrib db driver (again)

Issue #2928249 by alexpott, mondrake: Introduce a PHPUnit 6+ compatibility layer for Drupal\Tests\Listeners classes

Issue #2795317 by hswong3i, alexpott, Lendude, bircher, dawehner, martin107, Jo Fitzgerald, mondrake: Allow PHPUnit 6+ support for object mocking

Issue #2928256 by marcoscano, seanB: Users shouldn't be able to change the media source plugin after the media type is created

Issue #2865184 by chr.fritsch, phenaproxima, larowlan, marcoscano, xjm: Allow MediaSource plugins provide default field form/view display settings

Issue #2862746 by masipila, quietone, phenaproxima: Add documentation to EntityFieldStorageConfig destination plugin

Issue #2927844 by Jo Fitzgerald, quietone, heddn: Correct references to 'iterator' plugin to be 'sub_process'

Issue #2927563 by tstoeckler, amateescu: Aggregator feed "refresh" field should have a default value

Issue #2927569 by tstoeckler, amateescu: Various tests do not set values for required field when creating entities

Issue #2923567 by Sam152, amateescu: Select from correct entity tables for additional entity/field definitions when moving data to dedicated table storage from shared table storage for the purposes of purging

Issue #2500521 by Jo Fitzgerald, RytoEX, quietone, gaurav.kapoor, hussainweb, phenaproxima: Upgrade path for Statistics 7.x and 6.x

Issue #2929076 by marcoscano: Fix wrong \Drupal\Core\Entity\EntityTypeInterface::getBundleLabel() docblock

Issue #2927758 by Wim Leers, dagmar: Update DbLogResourceTest to use the ResourceTestBase base class instead of the deprecated RESTTestBase

Issue #2717965 by Yogesh Pawar, pguillard, alexpott, Liam Morland, skylord, oxy86, cilefen, balagan, Anthony Fok: Site name is not UTF-8 encoded in email headers

Issue #2929124 by Wim Leers, tstoeckler: Remove EntityResource::getCastedValueFromFieldItemList() helper in favor of FieldItemList::equals()

Issue #2791571 by chr.fritsch, kristiaanvandeneynde, phenaproxima, Berdir, seanB, tstoeckler, Wim Leers, xjm: Automatically supply contextual links for entities

Issue #2895001 by marcoscano, vijaycs85, Wim Leers, benjifisher, xjm, Berdir, amateescu: Use the bundle label (e.g. "Media type") instead of "Bundles" in the Entity Reference field configuration

Issue #2853503 by Aki Tendo, alexpott, larowlan, Wim Leers, klausi, fgm, dawehner, mondrake, catch, Berdir, neclimdul, borisson_: Remove all assert('string') calls from Drupal core because deprecated in PHP 7.2

Issue #2808217 by Wim Leers, tedbow, YesCT, dawehner, xjm, Berdir, damiankloip, slucero: To be able to view Vocabulary config entities via REST, one should not have to grant the 'administer taxonomy' permission

Issue #2928433 by webchick, nod_, drpal, effulgentsia, justafish, lauriii: Add @justafish as JavaScript subsystem maintainer in MAINTAINERS.txt

Issue #2662574 by RajeevK, Adita, pritish.kumar, afi13, greyghost, tstoeckler, xjm, Cottser, dawehner: Theme suggestions may not be in theme include files, Search and Views UI suggestions are not (always) found

Revert "Issue #2662574 by RajeevK, Adita, pritish.kumar, afi13, AjitS, greyghost: Theme suggestions may not be in theme include files, Search and Views UI suggestions are not (always) found"

This reverts commit 81d17351.

Issue #2662574 by RajeevK, Adita, pritish.kumar, afi13, AjitS, greyghost: Theme suggestions may not be in theme include files, Search and Views UI suggestions are not (always) found