CKEditor5 has: "Open in a new tab"CKSource has: "Open in a new tab" and "Downloadable"CKEditor5 (schemaless) has: "Gallery"ftp address has: "Downloadable"target="_blank" and rel="noopener noreferrer" attributes to all external links (links starting with http://, https:// or //).window.editors.automaticDecorators.getData() to see how it works).tel: and adds the phone CSS class to such link,internal CSS class to all links starting with #.