Only 3 concurrent ADs, since the 90s and you're worried?
Have a look at the AD tool on the EASA website for any given European aircraft or engine, infact just flip open Cap 747 to section 3A and pick Rolls Royce Trent for instance, 3 would be lovely. Don't look for Diamond Aircraft though, you won't have time to read them all.
As for WPAS, wait for the CAA monthly flyer. We'll all find out then won't we
