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We're well aware. In fact we've been communicating with Little Orbit for quite some time now.
Will Crafty Games be releasing a supplement to accompany the release Fall 2013? It certainly looks like it would be an entertaining time period in Scadrial's history.
Directly related to the Birthright time period, you mean? It's possible. We've talked about doing some material in that period but haven't really settled on a game plan.