What does "dirty" mean in Unreal?

It might seem awkward, but I often see some actors are described as “dirty”, or “be dirtied”. I am not sure what this term means exactly. I guess maybe it means “change”?

thanks,

wcl1993

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Hello wcl1993,

You have the right idea. When someone says that something is dirty, they usually mean that it has been changed and has not yet been saved. This is usually indicated by the asterisk (*) on the thumbnail of the asset or beside the name of the tab that has been changed since it was last saved.

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Clear that! Thank you, Matthew!