I just tried clearing the Cache as well as tried on 3 different browsers. If you hover over the menu in the header the dropdowns won’t show. Also the client is trying it and it isn’t working for them. When you open in a mobile device the hamburger menu appears but doesn’t open. as well as the testimonial area at the bottom above the footer
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Please clear your browser cache after updating the theme so that the latest js and CSS files will be loaded.