13 (100%)
Topic: Interface changes
After much deep and profound brain things inside my head [1], I have decided to get rid of the multiple ways of adding cards to sets, as it was confusing. So now there's only one 'Add cards' button and widget, autocompleted, and one input for importing lists of cards.
Moreover, I was annoyed by having to click around to switch from Inventory to Tradelist to Wishlist just to see and modify something about one card. So now I have added the counts on all the sets, in the full set listing, and also on the card page, so wherever I am I can see and modify the number of cards of that type that I own / trade / need. Counts are also sortable now, thanks to the someone's nagging 
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The tradelist is now a subset of your inventory. Whenever you add stuff *directly* to your tradelist, they will be added to your inventory also. When you want to add something that you already have in your inventory to your tradelist, you'd do so by going in your inventory and changing that card's tradelist count, from 0 to whatever.
You may find some of these changes confusing, ugly, annoying or just plain great. Either way - as always - I'd love to hear about it, don't hesitate to post feedback.
Much great and cool stuff is still to come, stay tuned for exciting announcements
