Issue #2931436 by amateescu, dillix, Berdir, DuneBL, plach: field_purge_batch expects an array of objects but instead gets an array of arrays

Issue #2412569 by claudiu.cristea, amateescu, yched, jibran, epari.siva: Allow setting the auto-create bundle on entity reference fields with multiple target bundles

Issue #2429191 by claudiu.cristea, amateescu, yched, nlisgo, Berdir, alexpott, klausi, Wim Leers, xjm, catch: Deprecate entity_reference.module and move its functionality to core

Issue #2064191 by yched, claudiu.cristea: Fix the 'target_bundle' field setting - 'target_bundles' are not validated when entity_reference is enabled

Issue #2168011 by xjm, jessebeach, Damien Tournoud, znerol, Xano: Remove all 7.x to 8.x update hooks and disallow updates from the previous major version.

Issue #2143519 by yched, Wim Leers: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid.

Revert "Issue #2143519 by yched: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid."

This reverts commit f2e66e87.

Issue #2143519 by yched: Allow FieldInstance yml files to refer to the Field by field name rather than by field_uuid.

Issue #1503314 by swentel, amateescu, bojanz: Remove the concept of active / inactive (field types, storage) from Field API.

Issue #2019055 by plach, fago, berdir, yched, Gábor Hojtsy, kfritsche, jibran: Switch from field-level language fallback to entity-level language fallback.

Revert "Issue #2019055 by plach, fago, kfritsche: Switch from field-level language fallback to entity-level language fallback."

This reverts commit 46942cd3.

Issue #2019055 by plach, fago, kfritsche: Switch from field-level language fallback to entity-level language fallback.

Issue #2051923 by Berdir, dixon_, plach: Rename \Drupal\Core\Entity\Field\Field, related subclasses and interfaces to *FieldItemList.

Issue #1953528 by swentel, Hydra: Store 'per-bundle view mode settings' in CMI, get rid of field_bundle_settings() & its variable.

Issue #1969572 by neclimdul, larowlan, hussainweb, dawehner, damiankloip, ParisLiakos, pwieck, Berdir, socketwench: Make Uuid a service.

Issue #1497374 by yched, chx, amateescu, plach, Damien Tournoud, fago, swentel: Switch from Field-based storage to Entity-based storage.

Issue #1847002 by tim.plunkett, effulgentsia, msonnabaum: Move entity type classes from Drupal$provider\Plugin\Core\Entity to Drupal$provider\Entity.

Issue #2032369 by yched: Fixed _update_8003_field_create_field() relies on field schemas never changing and plugins being available.

Issue #1998576 by beejeebus, alexpott, swentel: Make the config import process use full config trees again.

Issue #1969662 by swentel, amateescu, chx | yched: Provide new _update_8000_*() CRUD helpers for Field and Instance definitions.

Issue #625958 followup by slashrsm, chx, andypost, yched: [Follow up] Support Uploading Multiple Files for HTML5 Browsers via #multiple attribute.

Issue #1953404 by vijaycs85, yched, Gábor Hojtsy: Add config schema to field and instance config entities.

Issue #1167144 by chx, catch, claudiu.cristea: Make cache backends responsible for their own storage.

Issue #1966998 by andypost, swentel: Add a constant OR use TRUE/FALSE for active storage vs. inactive storage and other properties.

Issue #1852966 by yched, Stalski, zuuperman, swentel: Rework entity display settings around EntityDisplay config entity.

Revert "Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity."

This reverts commit 8ad67af2.

Issue #1852966 by yched, swentel: Rework entity display settings around EntityDisplay config entity.

Issue #1292470 by sun, tim.plunkett, Berdir, moshe weitzman, pcambra, Niklas Fiekas, andypost et al: Convert user pictures to Image Field.