Hello,
I have the problem that all quest are shown to me as available (!).
Even if I cannot accept them yet,
because it's an episode quest or something.

Or do I have a setting fault here?

Where are displayed? On map? Use setting Load quest by threshold. By default all quests are loaded.

Keep in mind this is not Leveling addon... i will show u quests for other classes, profesions etc.

Ok, thanks for clarifying.