Updating from older CKEditor 5 versions
Let an AI coding agent do the update for you. The official ckeditor-update skill walks your agent through every update guide between your version and the target one and applies the changes to your code. Install the CKEditor 5 skills:
npx skills add ckeditor/skillsCopy codeThen ask your agent, for example: “Update CKEditor 5 to the latest version” or name the version you want. Review the changes before you commit them. See the Using CKEditor 5 with AI coding agents guide for setup options and supported agents.
If you are upgrading a project from an older version of CKEditor 5, it is best to update one version at a time to avoid unexpected issues.
Go to the LTS documentation, which includes migration guides for earlier releases. By clicking this link you will be redirected to the older version of the documentation in a new browser tab.
After upgrading your project to version 42, return to the current documentation and continue updating to the latest version.