Issue #2296115 by jhodgdon, hussainweb: Fixed Several entity loadRevision() methods do not obey the interface contract.

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

Issue #2100343 by Berdir, fago, martin107, visabhishek, sriharsha.uppuluri, Yorirou: Remove 'fieldable' key in entity definitions in favour of 'field_ui_base_route'.

Issue #2002138 by yched, Jose Reyero, xjm, andypost, fago, msonnabaum, Berdir, dixon_: Use adapters for supporting typed data.

Issue #2340123 by Wim Leers: Setting cache tags can be tricky: use strings instead of nested arrays to improve DX.

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

Issue #2337927 by effulgentsia, plach, fago: Fixed SqlContentEntityStorage::onFieldStorageDefinition(Create|Update|Delete)() is broken for base fields.

Issue #2333113 by effulgentsia, plach: Add an EntityDefinitionUpdateManager so that entity handlers can respond (e.g., by updating db schema) to code updates in a controlled way (e.g., from update.php).

Issue #2330121 by plach, effulgentsia, fago: Replace ContentEntityDatabaseStorage::getSchema() with a new EntityTypeListenerInterface implemented by SqlContentEntityStorageSchema.

Issue #2326949 by plach, effulgentsia: Move entity-type-specific schema information from the storage class to a schema handler.

Issue #2326719 by plach, effulgentsia: Move pseudo-private table mapping functions from ContentEntityDatabaseStorage to public API of DefaultTableMapping.

Issue #2303881 by alexpott, effulgentsia: Fixed Config entity static cache doesn't get reset and isn't override aware.

Issue #1976158 by Berdir | msonnabaum: Rename entity storage/list/form/render "controllers" to handlers.

Issue #2322097 by plach: Enforce data tables for translatable entity types in the SQL entity storage.

Issue #2279395 by alexpott, mradcliffe, plach, bzrudi71: Fixed The PostgreSQL backend does not handle NULL values for serial fields gracefully.

Issue #2279395 by alexpott, mradcliffe, bzrudi71: Fixed The PostgreSQL backend does not handle NULL values for serial fields gracefully.

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

Issue #597236 by Berdir, catch, msonnabaum, Xano, Wim Leers, jhedstrom, amateescu, corvus_ch, swentel, moshe weitzman, Gábor Hojtsy, riccardoR, killes@www.drop.org, et al: Add entity caching to core.

Issue #2216535 by jhodgdon, Berdir: Replace Node overview topic and Node API topic with Entity Hooks topic.

Issue #2144263 by fago, yched, alexpott, Berdir, plach, andypost, effulgentsia, michaelfavia: Decouple entity field storage from configurable fields.

Issue #2286681 by alexpott, tim.plunkett: Fixed Make public properties on ConfigEntityBase protected.

Issue #2143291 by plach, alexpott, xjm, effulgentsia, pwolanin, swentel | yched: Clarify handling of field translatability.

Revert "Issue #1003788 by stefan.r, Alan D., Josh Waihi, JimmyAx, robhardwick, wiifm, twistor, pwolanin, bzrudi71, bellHead, john_brown: Fixed PostgreSQL: PDOException:Invalid text representation when attempting to load an entity with a string or non-scalar ID."

This reverts commit 4086829b.

Issue #1003788 by stefan.r, Alan D., Josh Waihi, JimmyAx, robhardwick, wiifm, twistor, pwolanin, bzrudi71, bellHead, john_brown: Fixed PostgreSQL: PDOException:Invalid text representation when attempting to load an entity with a string or non-scalar ID.

Issue #2284111 by alexpott, Berdir, damiankloip: Fixed Exceptions caught and printed from index.php should not return a 200 status code.

Issue #2275877 by Mixologic, duellj, Les Lim, Xano, David Strauss: Replace master/slave terminology with primary/replica.

Issue #2246665 by jaredsmith, martin107, YesCT, filijonka, tstoeckler: Typehint with Drupal\Core\Language\LanguageInterface instead Drupal\Core\Language\Language.

Issue #2248991 by marco, tstoeckler, xjm: Rename the 'log' field to 'revision_log' in Node and CustomBlock.

Issue #2183231 by tstoeckler, plach, jessebeach, fago, Berdir, xjm, mauzeh: Make ContentEntityDatabaseStorage generate static database schemas for content entities.

Issue #2267753 by pwolanin, amateescu, YesCT, Berdir: ContentEntityDatabaseStorage::mapToStorageRecord  hard-codes ->->value.

Revert "Issue #2267753 by pwolanin, YesCT, Berdir: ContentEntityDatabaseStorage::mapToStorageRecord  hard-codes $entity->$name->value."

This reverts commit c16fbc55.

Issue #2267753 by pwolanin, YesCT, Berdir: ContentEntityDatabaseStorage::mapToStorageRecord  hard-codes $entity->$name->value.