In the "scene" or repack communities, an "incl" (inclusive) release usually means the base expansion ( War of the Chosen

XCOM 2: War of the Chosen – Breaking Down the v20181009 Update

—three unique bosses (the Assassin, Hunter, and Warlock) who hunt the Commander across the globe. They can appear randomly in missions, kidnapping your soldiers or sabotaging the Avenger's strategy layer. If you're playing with Integrated DLC Alien Rulers

If you have access to XCOM 2: War of the Chosen – Update v20181009 incl exclusive , it represents a of the game:

Furthermore, the timing of this update coincided with the integration of the Tactical Legacy Pack content. While primarily a content drop for PC, the backend optimizations required to support these new missions and assets influenced the overall stability of the game engine. The update ensured that the game could handle the increased memory load of additional assets without buckling. This period marked the solidification of War of the Chosen as a complete package. With the Chosen mechanics functioning smoothly and the game engine stabilized, players could fully engage with the narrative tension of the resistance without the frustration of technical interruptions.

. This update was a major addition celebrating the series' history and providing new ways to experience the campaign. Key Features of the October 2018 Update The primary addition in this update was the Tactical Legacy Pack , which included: Central's Archives

: Unlocks classic weapons (conventional, laser, and plasma) and armor (Kevlar, Carapace, and Titan) from the first game for use in the main single-player campaign.