Seasons begin this Spring on PC but later in the year on PS4.
There will be coop PvE maps designed based on real world locations and conflict for maximum realism and immersion. The Seasons will have chapters that are connected. This will replace the current update structure. These are story driven content expansions that span multiple months.
This is a big change that will see the team have a new dev cycle with Seasons. My.com announces Seasons for Armored Warfare.