This specific version (v1.4.0.3) is often found on game distribution sites like Download.ir and typically includes the base game along with its major expansions:

: Adds the Oathbound faction and the Grail Configurations. Invasions : Introduces the Shakarn and Therians.

: Adds the Heritor faction and ancient empire secrets.

Age of Wonders: Planetfall Season Pass - Paradox Interactive

The text you are referring to is likely associated with the of Age of Wonders: Planetfall , released around December 2020.