Hi Rebecca, there is a communal effort going on to try and discover all of the new items that have been coded into the new update. This is a big project and we hope to be done as soon as we can, so the items can be entered into the catalog. Lots of people (many of whom are not staff) are helping out with this too. Discovering the items is going to take some time, especially as some of the items are not easily obtainable (for example, some are only available by scanning the Sanrio Amiibo cards which are only available in Japan at the moment and will be released on November 25th in Europe). For now, you could have a look at the spreadsheet on the first post of this thread: Click
I hope the spreadsheet will help you to get organised for now so you can start collecting.
PT me if you need help on ACC! :)
ACC +5! :3