On initial setup, and thru nightly build 2021.10.13.0312, I selected by USB drive for the DVR path as follows without issue:
After all setup I wanted to import my local content which is also on the USB drive connected to my Nvidia shield, but when I select the plus sign next to movies or tv, I cannot select the USB drive, it is missing from the left side, where I only see Internal Storage:
Any assistance on this would be appreciated.