MW3 Updates coming.

Here's a link to a disscusion on the official forums about "Title Updates and Hot Fixes" I'm adding it below as well.

Call of Duty: Modern Warfare 3 Update History (All Platforms included)

TU1: Enabled Theater, Vault, Private Match options, Elite and Facebook functionality for Launch Day.

TU2: Fix for YouTube video upload on SD TVs. Matchmaking Improvements.

TU3: Theater Improvements (Fix to FF and RW in Theater), LAG improvements, Improvements to Hot Fix system.

TU4: Change to address hitching and lag in gameplay.

TU5: Further improvements for hitching and addressing lag in gameplay.

TU6: Additional improvements to address lag. Fix for Melee Jump. Clan Tag Validation (remove buttons from clan tags). Improve Host Migration logic. Prevent stat loss when player loses connection from server (internet pull / drop).

TU7: Improvement to address "Host Disadvantage" / "Lag Compensation" that caused hosts with good connections to be hindered. Plus ability to hot fix additional tweaks based on user feedback to this change.

Hot Fix Updates (Released):

No Recoil glitch
Infinite Laptop killstreak glitch (Stealth Bomber Glitch)
Map Exploits (Getting into trucks, under maps) Fix
Prevent Slow-mo and Super Fast lobbies
Fire rate normalization for Assault Rifles with undermounts
FMG9 Re-balancing (Nerf)
Akimbo FMG9 Re-balancing (Nerf)
Type95 Re-balancing (Nerf) - Reduce hipspread.
Fix for ACR with Red Dot / Shotgun
Fix Type 95 bug related to dropping it.
Fix map exploits on Dome
PS3 Hitmarker Sound
Adjust direct impact damage a Semtex does to a Juggernaut (No longer 1 hit kill)
Improvements to "weighted matchmaking" to improve games for regions with low populations.

Re-balancing and Updates currently in Development and/or Discussion:

Updates to the Spawn system
Improvement to PS3 Mic Quality.
Several improvements to theater cued up for January release including HD rendering on PS3.
Fix for Shotgun's with Extended Mags (Prevents them from shooting more pellets than intended)
Default :30 Round Start timer for System Link only, while looking into adjustable timer for System Link games for Competitive Play.
Options to allow System Link players to 'unlock all' for competitive play in System Link only.

Hopefully the updates to the Spawn system fix the guys spawning behind me in Team Defender. Gets annoying after a bit, lol.