Regardless of the specific platform, a "1.45" update for an animated asset generally signifies:
Adding the ability for the passenger to acknowledge the user or environment. Animated Passenger 1.45
Development platforms use Unity-rendered "animated passengers" to test how real humans react to different interior layouts and display panels in experimental vehicles. Summary of "Version 1.45" Improvements Regardless of the specific platform, a "1
These mods add 3D-modeled, animated NPCs to empty cockpits or cabins. Update 1.45 Highlights: Regardless of the specific platform
In more technical sectors, "Animated Passenger" refers to digital signage or simulation platforms: