Thank you for this comment, I was logging out and back in over and over getting more and more frustrated, I just cleared the storage and the cache and bingo! Working like a dream. It didn’t help that I was having trouble opening some of my documents on a work system at the same time, I was starting to get paranoid that the computer overlords were deleting me.
I find sorting by ‘Top’ either 6 hours or 12 hours helps me see new posts I’ve not seen that have decent engagement