Google is testing adding a share icon to the product detail view within the search results. This comes up at the top of the panel, after you click on a product from the popular products section of the search results. And as you scroll, the share and other icons stick to the top.
Khushal Bherwani spotted this and posted a screenshot of this on X – I cannot replicate but this is what Khushal sees:
Forum discussion at X.
