This has been the case since 2014, it just depends on where they are made.
Some of Birds-Eye steamer Veg are not veterinarian because they also contain Whey. It's mad to think that vegetables aren't vegetarian. Strict Vegans buy organic Fruit because the pesticides/preservers, they are sprayed with are made with animal products. Some Figs aren't Vegetarian.
Also if you want to guarantee that your sugar is Vege, stick to Tate and Lyle. It can also be the sugar that makes something non-vege.
I'm a member of the Vegan and Vegetarian Societies. As soon as the Brexit vote happened, campaigns over food started, because we need to at least hang on to the policies that we already have, but mostly come from the EU.