Hugging wall bug is being worked on/is fixed for the next update
Makes sense that molotovs explode if they hit players, I'm pretty sure this is intended behavior unless you're referring to something else
Haven't encountered what you say about the sticky nades
The apparent player location does change with the dances, however the hitbox remains at the original location in which the dance was started, also, shooting while dancing will just stop the dance and shoot from your original position afaik.