Ive been experiencing a LOT of bugs

Ive been experiencing a lot of bugs and i dont know if somethings wrong with my account or if its just the game for the past phew months i haven't been able to see any pictures if that makes sense like my profile picture and everyone else's, i can't see pictures in the market place or the achievement list or server list and i can't see peoples skins in servers and if more then 2 people are in my world i can't see skins just steve...