Every function of Reverence in groove agent4, cubase 8 works fine.
But in Halion 5 and H sonic2, Reverence’s impulse reponse list window doen’t apprear.
(in standalone, doen’t works too.)
I checked every vstsound files and halpreset files. There are nothing to missed.
Is there some solution? 
plz help~!
Windows 8.1 64 bit, Cubase 8.3, Absolute vst collection 2.