Issue #2322195 by rpayanm, nlisgo, cilefen, balagan, LinL, akashjain132, filijonka, epari.siva, Tebro, Temoor, pcambra, unstatu, Poornima3, Shivam Agarwal, abhi170893, Dom., PieterJanPut, Mile23, JeroenT, disasm: Replace all instances of user_load(), user_load_multiple(), entity_load('user') and entity_load_multiple('user') with static method calls

Issue #2107243 by amateescu, jibran, larowlan, Xano: Decouple entity reference selection plugins from field definitions

Issue #2248977 by Berdir: Complete support for multi-value base fields in ContentEntitySchemaHandler and use it for the user.roles field

Issue #1498664 by andypost, plach, penyaskito | dawehner: Refactor user entity properties to multilingual.

Issue #2062039 by InternetDevels, Xano, h3rj4n: Replace user_access() calls with ->hasPermission() in user module.

Issue #2015701 by klausi, pfrenssen, amateescu: Convert field type to typed data plugin for entity reference module.

Issue #1849752 by effulgentsia, Berdir, jibran, neclimdul: Abstract non-Drupal-specific parts of AnnotatedClassDiscovery into a Drupal\Component base class.

Issue #1904882 by balsama, YesCT: Entity reference field Reference method Default settings order should be Filter by then Sort by.

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