I can build outside boundary? (Console Edition)

[Rex Masters]

Hi everyone

I hope this is the correct board for this, if not let me know or please move it to the correct one

But I'm playing Rimworld console edition, I've tried Google search but can't find any information

But I'm able to freely build right up to the map edge outside of the white boundary box

And wanted an explanation

Is it broken on console edition?

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Pawns would build this no problem even if I made a full room

Thanks