Blizzard changed some things about how the game works behind the scenes some months back, which meant Innkeeper could no longer function. It will take a significant re-write of how Innkeeper works and that process is still being worked on.
So for the time being at least, Innkeeper will not work.
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It's very uncomfortable to copy deck code to HS or HDT to quickly see whether the deck will work with your collection or not (how many missing cards). Would it be possible to at least to some workaround where user can "export" the collection and import it here?
It would save a lot of times for all of us to do export e.g. once per month to have it "synced". It's not working half a year? What do you think?