Today I noticed a strange behavior of the Extension Library's Tagcloud control. It displayed some entries that did not come from my view categories of the document's tags. I posted that on Twitter but until now nobody responded. I then made a few tests on how to get rid of that. The answer is really simple: I just had to refresh the view index by hitting CTRL+F9 in the client.
But that cannot be the solution, right?
Of course there is another workaround for that issue. The view you use for the Tagclound control should be setup like this: