The latest patch for the PC version of Call of Duty: Ghosts includes a few new features and some improved anti-cheat measures.

Changelog for Call of Duty: Ghosts (PC) for June 4, 2014

- Overall anti-cheat improvements.

New Features
- Golden Knife: Faster melee weapon available at prestige 5.
- Golden PDW: Automatic firing secondary available at prestige 10.
- New Multiplayer lobby music.

- Reverted changes associated with the Grenade Turret
- 5 new Relics
- 5 new Prestige Ranks

If you're still playing the game on the PC, you can look forward to this update to hit your Steam client soon. Or maybe it's been released already, I'm not really sure. The patch notes have dates for both June 3 and June 6, so maybe it's already out! Or not.