Part of the new UI is an entirely new Grinder experience; we are calling it the Scrapyard. The idea was to make it simple to deal with your duplicate items. You can break down duplicates into “Scrap” and then you can use the scrap to get a new item. The item list within the Scrapyard will be quite large and full of a lot of items out of the recent crates, and it will get refreshed each time a new crate is released. The Scrapyard is much easier to use, and gives you something to do with those duplicate items should you want to.