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Use one topic for one question to avoid confusion .
all of the sudden the display of the WooCommerce has changed. It used to have an image carousel on the top, Product title and small description with add to cart button on the left side and the long description on the right.
I just checked and I see that the same thing happened on your demo page for products – https://parkofideas.com/renroll/demo3/product/jinvidunt-argumentum/