No Widevine Playback Across OSMC

I’ve tried several rounds of uninstalling Widevine and add-ons, rebooting, and reinstalling with no luck. I’m out of ideas on how to fix.

Here’s the Widevine process as I know it:

  • Install Widevine through InputStream Helper
  • Use SlyGuy Common service to switch between versions if necessary

Are there any other steps I’m missing or anything specific to the RPi 2 that I should be doing?

Edit: this did not do anything for this case: