Issue #2145103 by Berdir, das-peter, fago, amateescu: Provide non-configurable field types for entity created, changed and timestamp fields.

Issue #2114707 by Berdir, yched, amateescu, effulgentsia, fago: Allow per-bundle overrides of field definitions.

Issue #2119905 by damiankloip, tim.plunkett, Berdir: Provide @ConfigEntityType and @ContentEntityType to have better defaults.

Issue #2181593 by klausi, chakrapani, andypost: Convert entity bundle base fields to entity reference.

Issue #2002168 by klausi, Github sync, effulgentsia: Convert form validation of terms to entity validation.

Issue #2047229 by fago, smiletrl, Berdir, effulgentsia, amateescu: Make use of classes for entity field and data definitions.

Issue #2133469 by tim.plunkett, damiankloip, dawehner: Replace path-based entity links with route names.

Issue #1810350 by plach, kfritsche, boran, YesCT: Remove menu_* entity keys and replace them with entity links.

Issue #2077387 by wadmiraal, guschilds: Fixed Taxonomy term is improperly deleted when only one of two parents is deleted.

Issue #2004244 by Berdir, plach, tim.plunkett, msonnabaum, das-peter: Move entity revision, content translation, validation and field methods to ContentEntityInterface.

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

Issue #1605290 by amateescu, msonnabaum, Caseledde, damiankloip, beejeebus, catch, Berdir, Wim Leers: Enable entity render caching with cache tag support.

Issue #2087995 by amateescu: All entity post*() and pre*() methods should call their parent implementation.

Issue #2082509 by Gábor Hojtsy, twistor: Generalize node changed constraint to entity changed constraint.

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

Issue #1946456 by andypost, disasm: Convert taxonomy_term_confirm_delete() and taxonomy_vocabulary_confirm_delete() to the new form interface.

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

Issue #1893772 by chx, fubhy, slashrsm: Move entity-type specific storage logic into entity classes.

Issue #1970360 by Crell, linclark, dawehner, YesCT, matt2000: Entities should define URI templates and standard links.

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

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

Issue #1391694 by tim.plunkett, aspilicious, fago, pounard, plach, Crell, msonnabaum, tstoeckler: Use type-hinting for entity-parameters.

Issue #1818560 by Berdir, fago, Wim Leers, jessebeach, dawehner, YesCT: Convert taxonomy entities to the new Entity Field API.

Issue #1807042 by tim.plunkett, effulgentsia: Rename entity storage/list/form/render controllers to handlers, part 1: organize existing annotation keys.

Issue #1446382 by plach: Need a reliable way to determine if a specific bundle for an entity type is translatable.

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