OptionalmodelControls deep schema verification during
module:engine/model/model~Model#insertContent model.insertContent() operations.
This ensures that all elements and attributes in the inserted content fully conform to the schema — not just
at the top level — which helps identify structural inconsistencies early.
This feature is enabled by default. Set to false only if you need to temporarily opt out.
This flag is deprecated and will be removed in a future release.
The
experimentalFlagsconfiguration option enables integrators to turn on specific experimental or pre-release features in CKEditor 5. These flags are primarily intended for testing and feedback purposes during the development of new functionality.Each key in the
experimentalFlagsobject represents a unique experimental feature identifier. Setting the flag’s value to true activates the feature, while false (or absence of the key) keeps it disabled.Notes: