This morning, my team and I are seeing problems in our Winter 18 sandboxes where standard related lists are not loading in Lightning Experience.  We just see the spinner, and the list never loads.  Things like "Notes", "Activities" etc are not loading, even after refreshing pages or logging out and back in.

Is anybody else seeing this, or is this a known issue they're working on?

Thanks
 

This morning, my team and I are seeing problems in our Winter 18 sandboxes where standard related lists are not loading in Lightning Experience.  We just see the spinner, and the list never loads.  Things like "Notes", "Activities" etc are not loading, even after refreshing pages or logging out and back in.

Is anybody else seeing this, or is this a known issue they're working on?

Thanks