On Saturday, November 5, developer Infinity Ward released a new Call of Duty: Infinite Warfare update that fixed some exploits and issues, as you can see in the patch notes:

Fixed a map exploit on Genesis
Zombies Fixes, including exploit
Fixing a joining in progress issue on Mayday
Removing Redeem Code button from the store as it was causing confusion
SMG Tuning from Beta/Early metrics
AR/LMG Tuning from Beta/Early metrics
Slight tuning to Synaptic Equalizer values

Looking ahead, various members of the Infinite Warfare team have revealed some of the fixes and additions players can expect in the near future. Here’s the list, as compiled by Charlie Intel:

Mute All But Party option
Infected Mode (currently in testing)
Infinity Ward plans on rotating in and out many game modes, including S&R, All or Nothing, and more Fix to increase Points Per Kill in Free for All from 50 to 100
Adding Leaderboards and Combat Records
Fix to the Xbox One frame-rate issue
Fix to an issue where split-screen players aren’t earning reward
When you die in-game, they are working to add the kill feed and enemy player card instead of blank HUD

As for Activision’s support page, they’ve highlighted some of the known issues in Infinite Warfare on all platforms:
Under Investigation

Pre-order bonus content not appearing – Players who purchased a Digital Deluxe Edition, or a Legacy Edition or Legacy Pro Edition from GameStop, are not receiving Bullethawk or ...