Call of Dutyfans are gearing up for the beginning of Season Three: Classified Arms, which begins later today (April 27) with a brand new update forCall of Duty: Warzone.
Season Three will bring a plethora of new content to bothWarzoneandVanguard, with fans now able to pre-load the latestCall of Duty: Vanguardupdate on all platforms. As forWarzoneplayers, the update won’t be going live until 9AM PT / 5PM BST, which coincides with the launch of the new season, but PlayStation users will be able to pre-load a few hours beforehand.

If you’re eager for all of the details, check out theCall of Duty: Warzoneupdate 1.57 patch notes for April 27 further down this article, as well as everything you can expect from Season Three: Classified Arms.
Call of Duty: Warzone Update 1.57 Patch Notes (April 27)
Below you will find the official patch notes for the April 27Call of Duty: Warzoneupdate, which marks the beginning of Season Three: Classified Arms with the following changes:
New Mode:Caldera Iron Trials
The fan-favorite mode, Iron Trials, is back. This time on Caldera. Here’s a recap of the Iron Trials experience:
Plunder Adjustments
Rebirth Resurgence Adjustments
New Gulag: Hold
A roughly symmetrical arena is based in the belly of a ship moored just off the coast of Caldera, with identical hallways on the perimeter of an otherwise open space.
New Location: Dig Site
Located between the Mine and the Ruins, Dig Site provides Operators the opportunity to rummage through abandoned excavation equipment, tents, and massive skeletons for Supply Boxes and other items.
New Skybox
A dark storm approaches…
UPDATED LOCATIONS
New Features
General Adjustments
Caldera Adjustments
Loot that spawns across Caldera have been adjusted…
Rebirth Island Adjustments
Weapon Trade Station Adjustments
Later this season…
WEAPON ADJUSTMENTS
» Assault Rifles «
» Handguns «
» Light Machine Guns «
» Sniper Rifles «
The following Weapons will one-shot to the head only while inside of their Max Damage Range:
The following Weapons will one-shot to the head at any Range:

The following Weapons do not have one-shot potential to the head:
Please see below for the full list of changes to Snipers, and keep in mind that attachments that provide Range Bonuses can drastically change the Base Weapons Max Range:
» Submachine Guns «
» Marksman Rifles «
For further details on the April 27Call of Duty: Warzoneupdate, including changes to weapon attachments and new operators, maker sure to visit the officialRaven Software website.