They haven't made an official announcement about it yet, but according to Martin Anward's twitter, Ringworlds will be present.
Look at the bottom of the list, 'Master Builders' if Voidborn is for space habitats, then this is for Ringworlds. The top of it IS the graphic for a Ringworld. The way it curves, the overall look of it suggests that it is highly likely to be a Ringworld, rather than a larger station (as the top has a slight curve on it. I would bet someone else's firstborn on it.
https://pbs.twimg.com/media/C14ODyzWIAAaT-T.jpg
Look at the bottom of the list, 'Master Builders' if Voidborn is for space habitats, then this is for Ringworlds. The top of it IS the graphic for a Ringworld. The way it curves, the overall look of it suggests that it is highly likely to be a Ringworld, rather than a larger station (as the top has a slight curve on it. I would bet someone else's firstborn on it.
https://pbs.twimg.com/media/C14ODyzWIAAaT-T.jpg
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