Frequently when using universal control with a trackpad and keyboard shared from a Mac (I haven’t noticed it on my new iPad Pro with Magic Keyboard yet, but I haven’t had it long) the list of stories will get stuck where I can’t tap on some or any stories, but I can still navigate forward/backwards. It will also sometimes in a way that feels very similar get out of sync so tapping a story will bring me to the wrong one. I think I managed to capture both behaviors in this video: