Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2297817 by alexpott, pounard, Berdir, yched, Fabianx, plach, mkalkbrenner: Do not attempt field storage write when field content did not change

Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2137801 by Berdir: Refactor entity storage to load field values before instantiating entity objects

Issue #2164601 by yched, jibran, amateescu, pfrenssen: Stop auto-creating FieldItems on mere reading of $entity->field[N]

Issue #2358079 by pwolanin, Berdir: Require a specific placeholder format in db_query() in order to trigger argument expansion, and require explicit 'IN' parameter for conditions

Issue #2371605 by plach, larowlan: SqlContentEntityStorage::countFieldData() fatals for revision metadata fields and the UUID field

Issue #2328293 by keopx, JeroenT, ianthomas_uk, ashutoshsngh, rpayanm, hudo, a_thakur: Remove usage of language_list()

Issue #2143729 by tstoeckler, plach, jsbalsera, Berdir, mauzeh, damiankloip, andypost: Entity definitions miss a language entity key

Issue #2388765 by alexpott: Improve performance of SqlContentEntityStorage::countFieldData() for large datasets when getting the result as a boolean

Issue #2335879 by alexpott, dixon_, Wim Leers, chx, mauzeh, ygerasimov, jeqq: Change SqlContentEntityStorageSchema::requiresEntityDataMigration() to ask the old storage handler if it has data rather than assuming yes unless NULL storage

Issue #2278583 by nlisgo, Berdir, joshi.rohit100 | Fabianx: Fixed field_has_data looks at current data instead of revisioning data: this can lead to data loss.

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

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).