For the longest time my ignored tags have been working but today they are not. They work on the home page but not the /questions page. However, if you choose the "Gray out questions" option then that fails. Arqade is the only site I've ever had a long-standing ignore list so I don't think I can b...

Sorry about that. What happened here: the favorites/ignored feature is implemented client-side; a UI tweak changed the DOM in a way that broke the jQuery selector, meaning that it no longer found the tag data. I've put a PR together that fixes this - we'll get it deployed as soon as we can (after...