The refs are slowly starting to penalise the attacking side for players joining the maul in front of the ball carrier. That has always been my biggest criticism because in the past refs only focused on what the defending team was doing.
Teams are finding new ways of defending the lineout drive, e.g. the Chiefs starting the tactic of deliberately not engaging which allows a player to tackle the ball carrier at the back of the maul. The Blues tried that tactic on Friday night. I just want the refs to be consistent with how they police the maul.