I just found out a potential bug in the new URL structure for category links in the ecommerce page.
The new URL's for a category link reads as http://demo.ofbiz.org/ecommerce/products/100/100
here 100 is the category ID, this URL should ideally list all products in the category with ID 100. However if we create a product with ID 100 ie. product_id=100, there arise the bug. Instead of all item being shown in the category, the product page for product_id 100 is displayed, irrespective of the category/catalog/store that product ID belongs to.
I think this is a unusual behavior, and may cause problems for people wanting to move on to newer code.
Please let me know if should open a jira issue for it.