It was disabled after a Prestige glitch was found linked to it. The custom insignia feature of Emblems remains offline. The new update tweaks Scorestreak, UAVs and SMG penetration.
The lowest score required in order to achieve a Scorestreak will increase, "probably too high," so... nerf.game director David Vonderhaar, and SMG penetration is
The next title update is yet to be detailed in any specific way, however Activision has published afor console gamers looking to reduce the amount of lag they experience while online in Call of Duty. Their immediate advice is to disable any firewalls you might having running on your network routers; the rest is port forwarding.