the most eye opening think I’ve ever experienced design-wise was adding a new note pop-up feature that always popped up at the top of your timeline when you were scrolling, that showed when new note...
I used to have one of those as well and noticed the same thing. I removed it, and life is much better. I don't need to see notes that were published between one minute ago when I loaded my feed and right now when I'm a couple pages down.