In the WPMU DEV Community, viewing related tags doesn't return any results now

When clicking on tags in this forum use to list all related discussions, but they don't seem to work anymore :slight_frown:

It use to be great to see only topics of interest for certain plugins, etc.
https://premium.wpmudev.org/forums/tags/

eg, these now don't show any results:
https://premium.wpmudev.org/forums/tags/membership
https://premium.wpmudev.org/forums/tags/studio

Cheers, Ian