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 #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 #2928699 by marcoscano, phenaproxima, amateescu, seanB, yoroy: Add an alter hook for the pre-configured field UI options and implement it in the Media module

Issue #2541228 by amateescu, g089h515r806, Berdir, pawel_r: FieldConfigBase::setPropertyConstraints() and addPropertyConstraints() are broken

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2572643 by alexpott, attiks, Jelle_S, jhodgdon: Fix Drupal.Commenting.FileComment coding standard

Issue #2641586 by Mac_Weber, marvin_B8: Replace deprecated usage of  entity_create('field_storage_config') with a direct call to  FieldStorageConfig::create()

Issue #2340667 by YesCT, Pedro Lozano, alexpott, martin107: Protect Drupal\Core\Language\Language::id, and use getId().

Issue #2312093 by alexpott, yched, andypost, swentel | xjm: Rename FieldInstanceConfig to FieldConfig.

Issue #2328411 by dawehner, geerlingguy, herom: Convert all permissions to yml files and permission callbacks.

Issue #2287727 by yched, swentel, alexpott: Rename Field[instance]Config classes and entity types (again).

Issue #2005434 by alexpott, heddn, andrewmacpherson, swentel: Let 3rd party modules store extra configuration in EntityDisplay.

Issue #2200821 by yched, plopesc, Berdir, claudiu.cristea, swentel: Rename Fieldinterface and FieldInstanceInterface.

Issue #2095303 by swentel, plopesc, Berdir, claudiu.cristea, yched: Rename 'field_entity' to 'field_config' and 'field_instance' to 'field_instance_config'.

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 #2100329 by cosmicdreams: Use \Drupal instead of Drupal to make IDEs and static code analyse tools happy.

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

Issue #1822000 by Berdir, plach, amateescu, yched: Remove Drupal\field_test\Plugin\Entity\Type\TestEntity in favor of EntityTest.

Issue #2013939 by swentel, amateescu, pcambra: Remove hook_field_CRUD_() in favor of hook_entity_TYPE_CRUD() calls.

Issue #1969728 by yched, effulgentsia, swentel, fago, plach: Implement Field API 'field types' as TypedData Plugins.

Issue #1981314 by pcambra, aspilicious, andypost, swentel: Drop procedural usage of fields in field module.

Issue #2008558 by effulgentsia: Move nonalterations from hook_entity_bundle_info_alter() implementations to hook_entity_bundle_info() implementations.

Issue #1950632 by effulgentsia, Wim Leers, amateescu, yched: Create a FieldDefinitionInterface, decoupled from  and  config entities, and use it for formatters and widgets.