Before:
BS > TS > SP (Back + Flank combo)
Bootshine 150 Potency + crit if from behind
Truestrike 190 Potency (Back)
Snap Punch 180 Potency (Flank)
After:
BS > TS > SP (Back + Flank combo)
Bootshine 150 Potency + crit if from behind
Truestrike 190 Potency (Back)
Snap Punch 180 Potency (Flank)
BS > TS > SP (Frontal combo)
Bootshine 150 Potency + crit 50% chance if from front
Truestrike 170 Potency (Front)
Snap Punch 160 Potency (Front)
It's not game breaking, and not hard to implement. Incentive to attack from behind remains as the priority, but gives you an option for the front.