Only one site has been updated. Something told me that there will be problems. Other sites have not had time to update and well.
Dear developers, a big request to issue an update as soon as possible.

woocommerce/temlates/single-product/product-image.php -> Line 37 style=”opacity: 0; transition: opacity .25s ease-in-out;”
But that is not all. The resource for images is not correctly formed