Not much to say but now im officially 21!

ok ever since sunday ive been having a bit of a major issue with the notes on here where i used to see a whole conversation im having with someone now all it shows is one all previous note are gone ive never had this happen before and as well other issue's im having is that when i try to respond to someone it launches me back to the top of the screen or just straight up time's out and crashes i know FA updated a few days ago and this might be part of it i just to know if anyone else is having these problems and if so could you help me?