---
type: Minor breaking change
scope:
  - ckeditor5-core
  - ckeditor5-editor-classic
  - ckeditor5-editor-inline
  - ckeditor5-editor-balloon
  - ckeditor5-editor-decoupled
  - ckeditor5-editor-multi-root
see:
  - https://github.com/ckeditor/ckeditor5/issues/19885
---

The editor config `config.initialData` is no longer updated by the editor on startup. The new config property 
is `config.roots.main.initialData` for a single-root editor, and `config.roots.<rootName>.initialData` for a multi-root editor.
