Piss, just go to blogs.battlefield.com.
Which ... btw ... they posted more details on the balancing ...
DMR buff
Pump-action shotgun buff
MTAR range nerf
Hip Fire to ADS accuracy fix
Heavy Barrel accuracy while moving
Sniper rifle ADS animation quicker ... though "Quick Scoping is still not possible"
http://blogs.battlefield.com/2014/01...g-bf4-weapons/