Here is the Change log for the new patch for Halo 4.

Here’s the full list of fixes taken from the TU Change Log news update on Waypoint,

  • Implemented general stability improvements
  • Fixed glitch where quickly reloading after firing the Boltshot resulted in an instant reload
  • Fixed glitch where sprinting prior to activating the Hardlight Shield allowed players to move faster
  • Fixed glitch where players could throw a grenade and then immediately sprint afterwards to perform a high velocity grenade
  • Fixed glitch where Mantis could fire more rockets without reloading if the machine gun was fired partway through unleashing the charged missile barrage
  • Fixed issue where DLC was unavailable for other profiles on the same console
  • Fixed issue where DLC disappeared after console reboot
  • Fixed issue where players could not unlock Campaign completion achievements when using a rally point other than Alpha for any mission to finish the Campaign
  • Fixed issue where players were not given credit for completion of a Spartan Ops Episode Difficulty Challenge when completing it through Matchmaking
  • Fixed issue where players with 99 or more Xbox LIVE friends could not get File recommendations
  • Fixed issue where loadout configurations were lost if the game was booted and then powered off before passing the “Press START” screen
  • Fixed issue where attempting to upload large films to the File Share under poor network conditions caused the upload to fail
  • Improved time to load variants with separate profiles
  • Fixed issue where moving a profile from one controller port to another after relaunching the game reset loadout settings
  • Improved consistency of random ordnance navigation marker display
  • Fixed performance issues when launching Halo Waypoint from Halo 4