Audio Passthrough problem

Hi all.
In Kodi 16.1, all audio passthrough settings worked fine. But, after upgrading to 17, audio passthrough for DTS & DTS-HD stopped working. My receiver supports both these formats, but with the pass through turned on for them, I get no sound at all unless I turn it off for them. I have tried many different movies, all of which played fine in 16.1 BTW, and none with DTS work with 17. I get video, just no sound. Hope someone can help. Thanks.
System is Android 6.0