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guideMigration to CKEditor 5 v28.0.0

When updating your CKEditor 5 installation, make sure all the packages are the same version to avoid errors.

For custom builds, you may try removing the package-lock.json or yarn.lock files (if applicable) and reinstalling all packages before rebuilding the editor. For best results, make sure you use the most recent package versions.

For the entire list of changes introduced in version 28.0.0, see the changelog for CKEditor 5 v28.0.0.

Listed below are the most important changes that require your attention when upgrading to CKEditor 5 v28.0.0.

# Imports from index files of non-DLL core packages

Starting from v26.0.0, you could use the src/index.js files present in all packages to simplify the import rules.

However, prior to v28.0.0, in some packages, the src/index.js file was exporting one object instead of multiple tokens, so the import rule looked as shown:

// Importing the default export.
import BasicStyles from '@ckeditor/ckeditor5-basic-styles/src/index';

// And destructuring plugins from the module.
const { Bold, Italic } = BasicStyles;

Starting from v28.0.0, all the packages use multiple exports so you can import the plugins directly:

import { Bold, Italic } from '@ckeditor/ckeditor5-basic-styles/src/index';

The list of affected packages: