Those are the Sep 9 changes:
Population cost from 4 to 6
Mid accuracy from 0.55 to 0.5
Far accuracy from 0.35 to 0.16
Rate of fire from 8 to 12
Moving accuracy from 0.5 to 0.75
Moving burst multiplier from 0.1 to 0.5
Moving cooldown multiplier from 0.125 to 0.25
Range from 35 to 40
Mid range distance from 20 to 25
Far range distance from 35 to 40
Nearby suppression multiplier from 0.6 to 0.75
Nearby suppression radius from 10 to 12
Suppression from 0.008 to 0.0053
Firing arc from 45 degrees to 30 degrees
and those are the Sep 25 changes
Population from 6 to 4
Mid accuracy from 0.5 to 0.55
Far accuracy from 0.16 to 0.35
Rate of fire from 12 to 8
Moving accuracy from 0.75 to 0.5
Moving burst multiplier from 0.5 to 0.1
Moving cooldown multiplier from 0.25 to 0.125
Nearby suppression multiplier from 0.75 to 0.6
Nearby suppression radius from 12 to 10
Suppression from 0.0053 to 0.008
The items in red were not reverted, so it seems everything was reverted back to pre Sep 9 stats except the range increase and the firing arch decrease.