Issue #2873696 by nvexler, wengerk, gido, Jo Fitzgerald, xjm: Add @internal to core classes, methods, properties to Form Classes

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 #2471689 by klopez, shashikant_chauhan, harings_rob, snehi, jhodgdon: Entity API documentation should consistently refer to handlers rather than controllers

Issue #2172843 by fgm, marthinal, pfrenssen, amateescu, andypost, Wim Leers, stefan.r, pwieck, deepak_123: Remove ability to update entity bundle machine names

Issue #2308821 by tim.plunkett: Replace FormErrorInterface with $form_state->setErrorByName() and $form_state->setError().

Issue #2190313 by pfrenssen, Berdir, amateescu, ianthomas_uk: Add $EntityType::load() and loadMultiple() to simplify loading entities.

Issue #2084323 by Berdir, sandipmkhairnar, Xano, Jalandhar: EntityForm::actions() adds 'delete' without checking access.

Andreas Hennings authored Apr 17, 2014 and Angie Byron committed Apr 22, 2014

Issue #2083547 by donquixote: Move class files in core/modules/shortcut to their new PSR-4 location, to verify that PSR-4 actually works.

Issue #2145007 by tim.plunkett, h3rj4n: Convert form_set_error() in FormBase classes to use FormErrorInterface.

Issue #2113319 by Xano: Rename getOriginalID() to getOriginalId() and setOriginalID() to setOriginalId().

Issue #2036629 by amateescu: Fixed 'shortcut' entity type is very confusing and should be renamed to 'shortcut_set()'.

Issue #1913618 by tim.plunkett, amateescu: Convert EntityFormControllerInterface to extend FormInterface.

Issue #1947432 by tim.plunkett, mtift, andypost, larowlan: Add a generic EntityAccessCheck to replace entity_page_access().