The file refers to a specific update package for the major expansion War of the Chosen . While official patch notes often use different internal naming conventions (such as the "Fall 2017 Update"), this version string is commonly associated with community-shared updates for the PC version. Key Features of the Expansion
: Three powerful boss-like enemies (Assassin, Hunter, and Warlock) that stalk the player throughout the campaign and evolve over time. The file refers to a specific update package
: Includes the Resistance Ring for covert ops and a Soldier Bond system that provides tactical bonuses for compatible squadmates. Technical Details & Requirements XCOM® 2 Patches and Updates - SteamDB : Includes the Resistance Ring for covert ops
: Three new resistance factions—the Reapers, Skirmishers, and Templars—that provide unique soldier classes with specialized abilities.