The release dates of the Daz products can be found in their Readme documents, which can be accesed from the
You must be registered to see the links
.
All products sold at the store has an SKU or product ID. You can locate one specific product's Readme document in that Product index I mentioned before by looking for its SKU or ID, with the help of the Menu with the header "Product Index" on the left hand side of the Index page.
I believe that one quicker way of locating the Readme document of one product can be achieved by using the free version of the
You must be registered to see the links
in your web browser. With this extension installed, just visit the product's page, where you should find a link to its readme document.
I say "I believe" that anyone with the extension installed can see the links to the readme documents in the products pages because currently I'm using the paid version of this extension, which adds further features to the extension. But unless my memory is a total mess, which is always a possibility, I remember reading that the Readme link in the products pages is free for everyone with the extension installed.