Issue #2030633 by hussainweb, Mile23, carsonevans, czigor, Berdir, fernando_calsa, Geijutsuka, amitgoyal, Jānis Bebrītis, undertext: Expand FieldStorageConfig with methods

Issue #2344843 by yched: Fixed hook_field_storage_config_update_forbid() sample code still uses ArrayAccess on FieldStorageConfig.

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

Issue #2296787 by gauravkhambhala | jhodgdon: Fixed hook_field_config_update_forbid() is in the wrong group/topic.

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

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 #2260043 by t0xicCode, amitgoyal: Remove lingering references to obsolete field crud and attach topics and functions

Issue #2260035 by blueminds | jhodgdon: Hook_field_info_max_weight in field.api.php is not in a group/topic.

Issue #2136197 by andypost, jessebeach, swentel, longwave, Berdir: Move field/instance/widget/formatter settings out of annotation / plugin definition.

Issue #2095195 by yched, fago, Berdir, amateescu, swentel, pfrenssen, Xano: Remove deprecated field_attach_form_*().

Issue #2187735 by ianthomas_uk, Sutharsan, andypost: Add removal information to docblock of all @deprecated functions.

Issue #2042773 by yched, Berdir, pcambra: Change #items within a theme_field() render array from an *array* to the same $items *object* used throughout the rest of the formatter pipeline.

Issue #1991292 by swentel: Output of labels from hook_field_extra_fields() should not use check_plain().

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 #2050835 by Berdir | yched: Move Widget, Formatter, and FieldType plugin types to the Core\Field system.

Issue #2045931 by PerthSam152, LinL, adsw12, joelpittet: Replace all module_exists() deprecated function calls.

This reverts commit cc84f390 - bad
commit message.

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