Issue #1777956 by fago, klausi, sun, dasjo: Provide a way to define default values for entity fields.

Issue #1981336 by aspilicious, andypost, swentel, amateescu: Drop procedural usage of fields in [t*] modules.

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

Issue #2004224 by Berdir, andypost: Convert tests using TestEntity to EntityTest (except Field API tests).

Issue #1818570 by Berdir, effulgentsia, das-peter, andypost: Convert users to the new Entity Field API.

Issue #1620010 by dawehner, ParisLiakos, plach, jibran: Move LANGUAGE constants to the Language class.

Issue #1957888 by ParisLiakos, Berdir: Fixed Exception when a field is empty on programmatic creation.

Issue #680546 followup by swentel, Cottser, sun: [Followup] Add a custom 'number of values' for 'multiple / multi-value' field. (e.g. nodereference, imagefield).

Issue #1890784 by alexpott, YesCT, heyrocker, tim.plunkett, EllaTheHarpy, beejeebus: Refactor configuration import and sync functions.

Issue #1981198 by yched: Change notice: More accurate names and form_ids() for Field UI form classes.

Issue #1946404 by tim.plunkett, amateescu, swentel: Convert forms in field_ui().admin.inc to the new form interface.

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

Issue #1152216 by sun, jhedstrom: Fixed (Long) text field (textarea) with 'Default' formatter does not retain newlines.

Issue #1849752 by effulgentsia, Berdir, jibran, neclimdul: Abstract non-Drupal-specific parts of AnnotatedClassDiscovery into a Drupal\Component base class.

Issue #1785012 by beltofte, hass, YesCT: Standardize capitalization on actions for node operations: 'revert', 'view', 'edit', 'translate', 'delete'.

Issue #1877632 by fago, jhodgdon: Improve comments and clean-up code for EntityNG and the TypedData API.

Issue #1888744 by nick_schuch: Fixed text.module missing text_library_info() - does not explicitly declare js dependencies.

Issue #1874300 by Berdir, swentel: Remove $entity_type argument from field.module functions that receive a single $entity.

Issue #1869250 by fago, Berdir, das-peter, YesCT, mradcliffe, fubhy: Various EntityNG and TypedData API improvements.

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