fernelius

Very likely you can go back and re-install V1 even though it’s not available for purchase. Try going into App Store, tap on your profile in the top right (for me it’s the picture assigned to the account), and click on Purchased. You can search for Affinity, and the old version of the app should show. Click on that and install. Hopefully, that will make your old iCloud files visible in the old version.

With Affinity Photo, I found I could open both versions and just drag from one app to the other (in live files). I suspect this might work for Designer as well but don’t have any open files there.