this year cause tisha b’av is on a Thursday, laundry is allowed on Thursday night after the fast! rather then waiting till friday after chatzos to was the laundry! whether or not it is permitted to wash laundry that will not be used for shobbos is a matter of dispute: some permit it outright, while others only allow adding such laundry to the load that is being used for shobbos!
ames: see Mishpacha family first section, this is all there + more halachos on this topic!