You can now add props to your scene from either the built-in models or models that are tagged with “Props” tag from your library.
For built-in models there are simple phsyics setting to allow them to interact with each other and the actors in the scene.
For your library models, they can also be applied simple phsyics shapes in the settings.
The previous Screen object is split into 2 different built-in props: Screen and Mirror. Screen now has additional settings to control reflection of the screen surface (e.g. a gloss TV screen vs a matt projector screen) and there is a camera model that is visible in the scene (can be turned off in settings). The actors will make eye contact with the cameras.