I am not sure whether we should add a setting to prefer a particular screen for presentation. We use the screen used by the document, so you can always drag the document to the preferred screen. If you would set a preferred screen, this would not work, which could be very unintuitive. Moreover, it can be very hard to figure out which screen is what (screens can be mirrored, there can be a touch bar screen, and information from the system is very limited in this respect).
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I am not sure whether we should add a setting to prefer a particular screen for presentation. We use the screen used by the document, so you can always drag the document to the preferred screen. If you would set a preferred screen, this would not work, which could be very unintuitive. Moreover, it can be very hard to figure out which screen is what (screens can be mirrored, there can be a touch bar screen, and information from the system is very limited in this respect).