DLSS support is also added to the Modern Warfare campaign and multiplayer and single player modes from Black Ops Cold War Zombies. CoD: Warzone Season 3 also brings bug fixes, new events with new unlockable weapons and balance patches for existing weapons.
https://www.notebookcheck.net/Call-of-Duty-Warzone-finally-gets-Nvidia-DLSS-support-up-to-70-improved-framerates-in-4K.533939.0.html