Issue #3364506 by Wim Leers, effulgentsia, catch, lauriii, borisson_, smustgrave, tim.plunkett, Dave Reid: Add optional validation constraint support to ConfigFormBase

Issue #2253257 by Utkarsh_33, bnjmnm, hooroomoo, jhedstrom, Xano, narendraR, chr.fritsch, vsujeetkumar, lauriii, Manuel Garcia, borisson_, andrewmacpherson, swentel, vijaycs85, tim.plunkett, larowlan, Berdir, mgifford, bojanz, jibran, olli, runeasgar, pooja saraah, zvischutz, InternetDevels, yoroy, effulgentsia, pfrenssen, jessebeach: Use a modal for entity delete operation links

Issue #2616814 by dpi, Xano, geek-merlin, Hardik_Patel_12, jofitz, alexpott, Fabianx, catch, joachim, andypost, dawehner, daffie, cweagans, neclimdul: Delegate all hook invocations to ModuleHandler

Issue #2719649 by Spokje, harsha012, jofitz, vprocessor, nikitagupta, cburschka, rasikap, hitesh-jain, quietone, longwave, mfernea, andypost, klausi, Malevi4, crazyrohila: Fix 'Drupal.Commenting.InlineComment.SpacingBefore' coding standard

Issue #3183673 by jonathan1055, longwave: Fix 'Drupal.Commenting.DocComment.ShortFullStop' coding standard - part 1 auto-fixes

Issue #3052233 by mikelutz, Berdir, alexpott: Properly deprecate EntityFormInterface::setEntityManager() and trigger an error on use

Issue #3019834 by Berdir, alexpott: Add @trigger_error() to deprecated url/link EntityInterface methods

Issue #2772251 by msankhala, markpavlitski, joachim: description for EntityForm::actions() could use rewording

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

Revert "Issue #2855428 by Sam152, jhedstrom, timmillwood: Workflow state and transition add/edit form IDs have a '-' in them"

This reverts commit 973e6b4f.

Issue #2855428 by Sam152, jhedstrom, timmillwood: Workflow state and transition add/edit form IDs have a '-' in them

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

Issue #2337191 by tim.plunkett, dawehner, jibran, yched, Wim Leers, catch: Split up EntityManager into many services

Issue #2512718 by Berdir, pfrenssen, Wim Leers, Fabianx, dawehner, catch, effulgentsia, plach, Gábor Hojtsy: EntityManager::getTranslationFromContext() should add the content language cache context to the entity

Issue #2453175 by tim.plunkett, plach, rteijeiro, effulgentsia, eshta, dawehner, fago, Berdir, alexpott: Remove EntityFormInterface::validate() and stop using button-level validation by default in entity forms

Revert "Issue #2459753 follow-up by tim.plunkett, alexpott: EntityForm::validate() should be able to modify the form structure"

This reverts commit fb5ea78b.

Issue #2459753 follow-up by tim.plunkett, alexpott: EntityForm::validate() should be able to modify the form structure

Revert "Issue #2459753 by tim.plunkett: EntityForm::validate() should be able to modify the form structure"

This reverts commit d4d83576.

Issue #2448357 by amateescu: Config entity forms need to have access to an updated entity object at all times

Issue #1919930 by tim.plunkett, nlisgo: Bundle entity form IDs violate module namespaces (both on server-side + front-end CSS)

Issue #2399219 by amateescu: Allow entity form handlers to determine the entity object they need to work with

Issue #2113243 by rpayanm, Xano, tstoeckler: Rename BaseFormIdInterface::getBaseFormID() to BaseFormIdInterface::getBaseFormId()

Issue #2339151 by EclipseGc, tim.plunkett, Gábor Hojtsy, effulgentsia: Conditions / context system does not allow for multiple configurable contexts, eg. language types

Issue #2347465 by tim.plunkett, dawehner, cilefen: Convert all instances of #type link/links to convert to use routes.

Issue #2123867 by plach, vijaycs85, kfritsche, YesCT, LinL, larowlan | yched: Simplify/cleanup language handling in EntityFormController.

Issue #2339665 by larowlan: Fixed EntityForm::submitForm docblock refers to non-existent CommentFormController.

Issue #2337709 by tim.plunkett: Convert form_state_values_clean() to FormStateInterface::cleanValues().

Issue #2335659 by tim.plunkett, dawehner, effulgentsia, sun: Remove FormState ArrayAccess usage from core.

Issue #2022875 by Berdir, alexpott, Xano, swentel, tim.plunkett, vladan.me: Resolve difference between submitForm(), submit(), and save() in EntityFormController.

Issue #2313931 by Berdir: Merge ['controller'] with ['build_info']['callback_object'] and add a method for it.