All rules are referenced to the Rules of Hockey 2009 edition:
New rules limiting the playing of the ball at a free hit (rule 13.2, specifically sections 'e' and 'h').
Alterations to rules concerning goalkeepers and the way they tackle or save shots (rule 10.3a, particularly the subnote).
Clarification of the rules concerning the raised ball, including while being raised, in flight, on landing/reception and where in the field it occurs (rules 9.8, 9.9, 9.10, ).
Rules preventing players using their sticks in a dangerous way, and ensuring the stick itself is safe (rules 9.2, 9.6 and 9.7; rule 4.7 sections 'a' and 'd').
Ice Hockey
Crackdowns on checking and dangerous physical contact.
Any other rule additions or alterations should be added here..