Most important things seem to be
Spears got buffed
Ledo can be rolled out of WA after the 2nd attack
Whips can be animation canceled cept for Rose
Reduced rotation of RKGPS which sounds like worse tracking but they buffed the damage and reduced stam consumption
Nerfed GGS WA
Increased stam consumption on the LA miracle and decreased stam recovery while holding it
Decreased healing of Projected heal miracle.