Issue #3204419 by jonathanshaw, longwave: EntityQuery accessCheck: always specifiy accessCheck, don't rely on the default

Issue #2851394 by GoZ, hgunicamp, oknate, jungle, wolffereast, tameeshb, mmatsoo, ridhimaabrol24, jofitz, swarad07, tanc, shaktik, dimaro, shashikant_chauhan, MerryHamster, quietone, nitesh624, martin_q, boaloysius, gaurav.kapoor, nitvirus, ankithashetty, Munavijayalakshmi, kostyashupenko, leolando.tan, amit.drupal, ravi.shankar, akashkrishnan01, Swapnil_Kotwal, Saviktor, mrinalini9, anmolgoyal74, Venkatesh Rajan.J, shimpy, lomasr, Dinesh18, shubham.prakash, mahtab_alam, markdorison, cilefen, longwave, bleen, xjm, alexpott, gmaltoni: Fix grammar 'a' to 'an' when necessary

Issue #3047866 by mikelutz, Berdir, TR, alexpott, andypost, Satyanarayan Reddy: Remove usage of deprecated \Drupal::entityManager() in core

Issue #2978848 by claudiu.cristea, amateescu: EntityReferenceFieldItemList::referencedEntities() doesn't work for computed fields

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2577963 by yched, amateescu, klausi: Let entity_ref Selection handlers be in charge of the field validation

Issue #2404331 by larowlan, jibran, amateescu, RavindraSingh: Can't serialise an entity with an entity reference to an unsaved entity (remove EntityReferenceItem::$NEW_MARKER in favour of a validation constraint)

Issue #1140188 by torotil, NROTC_Webmaster, cam8001, agi.novanta, jhedstrom, lnunesbr, kathyh: Fatal errors during or after adding default values for autocomplete widgets

Issue #2232477 by plach, yched, tstoeckler, amateescu: Fatal when adding new fields with NOT NULL constraints in a base table that contains existing entities

Issue #2370703 by amateescu, yched: Fixed ER's "autocreate" feature is mostly broken (and untested).

Issue #2162005 followup by Berdir: Clean up entity_reference default values once users 0 and 1 provides UUID.

Issue #2162005 by plopesc: Clean up entity_reference default values once users 0 and 1 provides UUID.

Issue #2073661 by amateescu, claudiu.cristea, plopesc, xjm | yched: Add a EntityReferenceField::referencedEntities() method.