WHY HAS THERE NOT BEEN A FIX FOR THE NO-SOUND BUG!?

I purchased this game and have not seen an update to fix the no-sound bug in iOS 9? Why have the developers abandoned this game after we supported you? Please fix the sound issue so that I can return my rating to 5 stars.

BRUEGAR about Shadowrun: Dragonfall - Director's Cut, v2.0.11