Kolkov angular editor doesn't support Iframe. Package: https://www.npmjs.com/package/@kolkov/angular-editor In the editor, it looks like it's working but the front panel is not showing anything Expected result is : Steps to Reproduce Install the @kolkov/angular-editor package and configure it in an Angular project. Add an iframe (e.g., YouTube video or external source) in the editor. Observe the iframe in the editor and then in the front panel. Continue reading...