Heat breaks: To combat extreme weather conditions, mandatory three-minute hydration breaks will occur around the 22nd minute of each half, offering managers a chance to regroup with their players.
FIFA have banned outfield players from heading to the sidelines for tactical coaching sessions when a goalkeeper goes down injured.
VAR expanded powers: Video assistant referees can now intervene to correct wrongly awarded corner kicks and review second yellow cards that are clearly incorrect.
Also, micro-cameras worn by referees and high-tech ball chips tracking data points will significantly speed up offside and foul reviews.
Time-limited substitutions: Players being subbed off have a maximum of 10 seconds to leave the pitch at the nearest boundary line.
