Cefalus no longer has dependencies on any outside services or third party websites for items like jQuery or fonts. This may help you towards getting your website GDPR compliant and will make the theme more reliable in the long-term.
Don't forget that the version of Font Awesome icons used in this theme has changed, so you may need to search for existing icons in your websites and update their markup.
• A fully responsive theme design • Sidebar shows up above the content on iPad and iPhone. • Features a FreeStyle banner for static images, slideshows or video • Fixed navigation bar, title and slogan. Only the Content scrolls up and down • Fixed drop down menu sublevels. Down- and right arrows show the menu-items with a sublevel for clear navigation through your website • Built-in scroll-to-top button • Waterfall enabled (for automatic updates) • Font Awesome Icons • Huge choice of web safe and embedded font faces to use • Many width settings