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

Issue #1959806 by amateescu, jibran, goldorak, Wim Leers, yched, dawehner: Provide a generic 'entity_autocomplete' Form API element

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

Issue #2325691 by jarsenx: Entity Reference Module: Fix documentation that refers to enabling/disabling of modules.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2208609 by sun, Jalandhar, damiankloip: Move Json utility class into Drupal\Component\Serialization.

Issue #2211553 by andypost, Berdir: Allow usage of entity_reference field widget and formatter for base fields.

Issue #2093173 by longwave, Cyberschorsch, forbesgraham, sandipmkhairnar, damiankloip, rbayliss, grom358, harijari, InternetDevels, dawehner: Remove all calls to drupal_json_decode(), use \Drupal\Component\Utility\Json::decode().

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

Issue #675446 by mgifford, RobLoach, amateescu, nod_, longwave, oxyc, rteijeiro, tomyouds, Jelle_S, mcrittenden, Sutharsan, hansyg, Angry Dan, clemens.tolboom, droplet | Dave Reid: Change notice: Use jQuery UI Autocomplete.

Issue #1959116 by amateescu: Entity reference autocomplete shouldn't include html in its return value.

Issue #1801304 by Amitaibu, amateescu, effulgentsia, tim.plunkett, EclipseGc, Fabianx, Cottser: Added Entity reference field.