Changes to Submarines and ASW
Starting with Update 13.1, we aim to make submarine and surface ship interactions more consistent and intuitive.Changes to ASW
- The Venezia and Hindenburg lines, as well as Prinz Eugen and Admiral Schröder, are going to be equipped with Depth Charge Airstrike instead of Depth Charges.
- Tier V–VIII battleships are getting an increase in their Depth Charge Airstrike range.
- Depth Charge Airstrike on Tier V–VIII battleships and cruisers is going to have a shorter cooldown, but its bomb damage will be slightly reduced.
- Ships that currently have special ASW settings are not receiving any changes unless specifically noted.
- Depth Charge Airstrike range is going to be increased for Ohio, Thunderer, Jean Bart, and Jean Bart B. It will become similar to the ranges for other battleships at their tiers.
- Venezia, Zaō, and Yodo lines will receive the Submarine Surveillance consumable in a separate slot. It was previously available only for submarines.


Changes to Submarines
The Hydrophone consumable is going to work differently:- The consumable will allow submarines to immediately spot ships in range, regardless of terrain (similar to Hydroacoustic Search and Surveillance Radar).
- The consumable can be activated in any state, but it will only detect ships while at periscope depth or on the surface.
- When submarines use Hydrophone to detect ships above them and in their line of sight, static silhouettes of these ships will appear for a short period (about 6 seconds) and then disappear. Ships behind terrain will be displayed as a short flash without a silhouette.
Exterior System Update
With the release of Update 13.1, the majority of expendable camouflages available in the game will get their permanent versions. The new permanent camouflages will operate similarly to already existing permanent camouflages, such as New Year, Epoch, or Made of Steel; however, you'll be able to mount them on ships of any tier. These camouflages can be either purchased or obtained through various activities, events, and missions. Once you obtain a standard, single-colored, abstract, or thematic camouflage (expendable or permanent) on your account, you can purchase its permanent version for all of your ships.

Lunar New Year
As part of the Lunar New Year celebrations, the Dragon Port has been updated.

Airship Escort
The Airship Escort temporary battle type is returning for Update 13.1! The battles will utilize a 12 vs. 12 format with Tier VIII–X ships of all types.
