Thanks for your fast reply.
I was confused about that too, but it seems WC puts it’s woocommerce class in the body tag?
<body class="post-template-default single single-post postid-258269 single-format-standard logged-in admin-bar wp-custom-logo wp-embed-responsive theme-generatepress post-image-above-header post-image-aligned-center sticky-menu-fade woocommerce-js right-sidebar nav-float-right separate-containers header-aligned-left dropdown-hover featured-image-active dokan-theme-generatepress customize-support <strong>woocommerce</strong>" itemtype="https://schema.org/Blog" itemscope="">
Had no idea where it is coming from, and we haven’t used the blog and posts functionality so far, so don’t know when this class was added there.
I justed setup a local dev env and updated the WC Plugin to the previous latest Version (from 6.5.1 to 6.9.4), it seems the class is not part of the body tag there, so was fixed in an update.
Sorry to bother you with that, seems like a WC issue. But perhaps it’s helpful for others running WC 6.5.1.