Issue #3420990 by godotislate, smustgrave, alexpott, kim.pepper, longwave: Convert Constraint plugin discovery to attributes

Issue #2914873 by nick.james, chr.fritsch, Sam152, alexpott, timmillwood, jhedstrom: The "from state" used for calculating available transitions is changed when using the content moderation state widget and preview mode

Issue #3007716 by Sam152, kevin.dutra, jhedstrom, larowlan: Security update introduces breaking changes to content moderation

Issue #2943899 by Sam152, amateescu, tstoeckler: Moderation state field cannot be updated via REST, because special handling in ModerationStateFieldItemList

SA-CORE-2018-006 by alexpott, attilatilman, bkosborne, catch, bonus, Wim Leers, Sam152, Berdir, Damien Tournoud, Dave Reid, Kova101, David_Rothstein, dawehner, dsnopek, samuel.mortenson, stefan.r, tedbow, xjm, timmillwood, pwolanin, njbooher, dyates, effulgentsia, klausi, mlhess, larowlan

Issue #2572613 by Malevi4, idebr, pfrenssen, Mile23, RajeevK: Fix 'Drupal.Array.Array.CommaLastItem' coding standard

Issue #2900421 by timmillwood, tim.plunkett, catch, Sam152: Architectural review of the Content Moderation module

Revert "Issue #2900421 by timmillwood, tim.plunkett, Sam152: Architectural review of the Content Moderation module"

This reverts commit c7c9a329.

Issue #2900421 by timmillwood, tim.plunkett, Sam152: Architectural review of the Content Moderation module

Revert "Issue #2894499 by amateescu, Manuel Garcia, xjm: Rename 'Editorial workflow' to 'Editorial'"

This reverts commit 6fb8ad45.

Issue #2861417 by Sam152, timmillwood, larowlan: Correctly handle entity validation of the moderation_state field when trying to save invalid states

Issue #2821716 by flocondetoile, anish.a, amateescu, Thew: Fatal error when viewing node with content moderation enabled if a module which implements hook_node_grants() is enabled

Issue #2779647 by alexpott, Sam152, catch, scookie, yoroy, pericxc, timmillwood, tacituseu, jhedstrom, xjm, bojanz, tstoeckler: Add a workflow component, ui module, and implement it in content moderation

Issue #2725533 by timmillwood, alexpott, amateescu, webchick, dixon_, larowlan, dawehner, catch, Crell, Bojhan, jibran, Wim Leers, agentrickard, Berdir: Add experimental content_moderation module