The Season 1 Reloaded update for Call of Duty: Modern Warfare 3 is less than 24 hours old, but many features had to be removed or disabled because of glitches and player feedback.

source https://www.windowscentral.com/gaming/raven-software-to-re-enable-the-champions-quest-for-call-of-duty-warzone-after-disabling-the-challenge-to-protect-the-integrity-of-the-experience