Did they nerf the Type 59 ?

Quote Type 59:
Increased the traverse speed from 45 to 46 deg/sec.
Reduced the gun dispersion during vehicle rotation by 5%.
Reduced ground resistance by 10%.
Changed the Norinco 12150L engine tier from IX to VIII.
Repair cost of Norinco 12150L engine has been increased by 22%.
Weight of the hull increased from 15,400kg to 16,478kg.
Armoring of the Type 59 turret increased from 104mm to 130mm.
Armoring of the Type 59 hull sides decreased from 65mm to 60mm.
Reloading time of the Type 59 100mm gun increased from 8.0 sec to 8.7sec.
Increased the aiming time for the 100 mm Type 59 gun from 2.86 sec to 2.9 sec.
Increased the damage value of the Chuan bei-412 shell from 230 to 250 points.
Increased the penetration value of the Chuan bei-412 shell from 175mm to 181mm.
Increased the damage value of the Chuan chao-412 shell from 230 to 250 points.
Increased the penetration value of the Chuan chao-412 shell from 235mm to 241mm.
Increased the tower traverse speed from 45 to 46 deg/sec.