I met same problem on macOS 15.3. @DTS Engineer Is there any update? Thanks

I meet the same issue. I have a composite device which has multiple interfaces. One of it is audio control interface, the other is audio speaker. I just want to access autio control interface, and do not detach the kernel driver of the audio speaker and it keep working. It seems that I should capture the whole device as exclusive mode, then I can capture the audio contorl interface successfully. So, I think the macOS did not support composite usb device.