The most forceful new directive is for referees to give red cards to players who use “offensive, insulting or abusive language and/or gestures” towards them. According to the BBC, no player has been given a red card in at least the last five seasons for using offensive or insulting language towards a referee.
That's fine, I suppose, but in a league known for its many international players, wouldn't you say that gives an unfair disadvantage to the English-speaking players? I learned all the worst words in about a dozen languages during my soccer career. I always get a smile from Polish workers when I lay a little vocabulary on them.