Issue #2030605 by tim.plunkett, mr.baileys, webwarrior, Wim Leers | plopesc: Expand Editor with methods.

Issue #2203407 by nod_, sun: Replace #attached library array values with provider-namespaced strings.

Issue #2099741 by Wim Leers, wwalc, mr.baileys, eaton, dstol, nod_, effulgentsia: Protect WYSIWYG Editors from XSS Without Destroying User Data.

Issue #2166399 by Wim Leers, nod_, clemens.tolboom: Changing CKEditor configurations by changing text formats causes markup to be lost: warn the user when performing this advanced action.

Issue #2074509 by tim.plunkett, falcon03, mgifford, Xano: Fixed Add missing #title property to ensure form accessibility.

Issue #1847002 by tim.plunkett, effulgentsia, msonnabaum: Move entity type classes from Drupal$provider\Plugin\Core\Entity to Drupal$provider\Entity.

Issue #2006278 by Wim Leers: Remove leftover 'module' annotation keys and plugin manager processDefinition() to deal with disabled modules during tests.

Issue #1391694 by tim.plunkett, aspilicious, fago, pounard, plach, Crell, msonnabaum, tstoeckler: Use type-hinting for entity-parameters.

Issue #1886566 by Wim Leers, sun, effulgentsia, quicksketch: Make WYSIWYG editors available for in-place editing.

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

Issue #1833716 by quicksketch, Wim Leers, sun, TwoD: Added WYSIWYG: Introduce 'Text editors' as part of filter format configuration.

Revert "Issue #1833716 by quicksketch, Wim Leers, effulgentsia: added WYSIWYG: Introduce 'Text editors' as part of filter format configuration."

Fixing commit credit.

This reverts commit ee1b6de6.

Issue #1833716 by quicksketch, Wim Leers, effulgentsia: added WYSIWYG: Introduce 'Text editors' as part of filter format configuration.